diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderHelper.java
index dfe71bca1..3c7794bf9 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderHelper.java
@@ -38,7 +38,7 @@ import com.jme3.export.Savable;
 import com.jme3.math.FastMath;
 import com.jme3.math.Quaternion;
 import com.jme3.scene.Spatial;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.objects.Properties;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderLoader.java b/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderLoader.java
index 8b6323f01..29d671a80 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderLoader.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderLoader.java
@@ -46,7 +46,7 @@ import com.jme3.scene.LightNode;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.blender.cameras.CameraHelper;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.lights.LightHelper;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/BlenderLoader.java b/engine/src/blender/com/jme3/scene/plugins/blender/BlenderLoader.java
index 310fb51de..a88dfa5c4 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/BlenderLoader.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/BlenderLoader.java
@@ -52,7 +52,7 @@ import com.jme3.scene.plugins.blender.animations.IpoHelper;
 import com.jme3.scene.plugins.blender.cameras.CameraHelper;
 import com.jme3.scene.plugins.blender.constraints.ConstraintHelper;
 import com.jme3.scene.plugins.blender.curves.CurvesHelper;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.BlenderInputStream;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Structure;
@@ -135,9 +135,8 @@ public class BlenderLoader extends AbstractBlenderLoader {
             blenderContext.dispose();
             return loadingResults;
         } catch (BlenderFileException e) {
-            LOGGER.log(Level.SEVERE, e.getMessage(), e);
+            throw new IOException(e.getLocalizedMessage(), e);
         }
-        return null;
     }
 
     /**
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/BlenderModelLoader.java b/engine/src/blender/com/jme3/scene/plugins/blender/BlenderModelLoader.java
index 4deaf4e29..e4fe0974f 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/BlenderModelLoader.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/BlenderModelLoader.java
@@ -42,7 +42,7 @@ import com.jme3.scene.LightNode;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.blender.constraints.ConstraintHelper;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 
 /**
@@ -84,8 +84,7 @@ public class BlenderModelLoader extends BlenderLoader {
             blenderContext.dispose();
             return modelRoot;
         } catch (BlenderFileException e) {
-            LOGGER.log(Level.SEVERE, e.getMessage(), e);
+            throw new IOException(e.getLocalizedMessage(), e);
         }
-        return null;
     }
 }
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/animations/ArmatureHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/animations/ArmatureHelper.java
index 97c51b19f..9984fa01e 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/animations/ArmatureHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/animations/ArmatureHelper.java
@@ -45,7 +45,7 @@ import com.jme3.math.Matrix4f;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.curves.BezierCurve;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java b/engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java
index aa443becc..744f3a236 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/animations/BoneContext.java
@@ -9,7 +9,7 @@ import com.jme3.math.Matrix4f;
 import com.jme3.math.Quaternion;
 import com.jme3.math.Vector3f;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.objects.ObjectHelper;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/animations/IpoHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/animations/IpoHelper.java
index aed367e49..aa6583e7a 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/animations/IpoHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/animations/IpoHelper.java
@@ -5,11 +5,12 @@ import com.jme3.math.Quaternion;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.curves.BezierCurve;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.BlenderInputStream;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.List;
 import java.util.logging.Logger;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/cameras/CameraHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/cameras/CameraHelper.java
index b219517ea..1e6552c76 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/cameras/CameraHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/cameras/CameraHelper.java
@@ -6,8 +6,9 @@ import com.jme3.renderer.Camera;
 import com.jme3.scene.CameraNode;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/BoneConstraint.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/BoneConstraint.java
index f73c4a9e4..f2a694a0e 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/BoneConstraint.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/BoneConstraint.java
@@ -10,7 +10,7 @@ import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
 import com.jme3.scene.plugins.blender.animations.ArmatureHelper;
 import com.jme3.scene.plugins.blender.animations.BoneContext;
 import com.jme3.scene.plugins.blender.animations.Ipo;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
 
 /**
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/Constraint.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/Constraint.java
index 85d8ed7b6..eee6572a2 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/Constraint.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/Constraint.java
@@ -8,7 +8,7 @@ import com.jme3.scene.plugins.blender.animations.Ipo;
 import com.jme3.scene.plugins.blender.constraints.ConstraintHelper.Space;
 import com.jme3.scene.plugins.blender.constraints.definitions.ConstraintDefinition;
 import com.jme3.scene.plugins.blender.constraints.definitions.ConstraintDefinitionFactory;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintHelper.java
index ecff27880..7588ded8d 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/ConstraintHelper.java
@@ -22,7 +22,7 @@ import com.jme3.scene.plugins.blender.animations.ArmatureHelper;
 import com.jme3.scene.plugins.blender.animations.BoneContext;
 import com.jme3.scene.plugins.blender.animations.Ipo;
 import com.jme3.scene.plugins.blender.animations.IpoHelper;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.objects.ObjectHelper;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SkeletonConstraint.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SkeletonConstraint.java
index fb6e89b51..98d5562b1 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SkeletonConstraint.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SkeletonConstraint.java
@@ -4,7 +4,7 @@ import java.util.logging.Logger;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.animations.Ipo;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
 
 /**
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SpatialConstraint.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SpatialConstraint.java
index f55e80f7d..e35ae9785 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SpatialConstraint.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/SpatialConstraint.java
@@ -4,7 +4,7 @@ import com.jme3.math.Transform;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
 import com.jme3.scene.plugins.blender.animations.Ipo;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
 
 /**
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/definitions/ConstraintDefinitionFactory.java b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/definitions/ConstraintDefinitionFactory.java
index ad392d714..552a8b014 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/constraints/definitions/ConstraintDefinitionFactory.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/constraints/definitions/ConstraintDefinitionFactory.java
@@ -36,7 +36,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
 
 public class ConstraintDefinitionFactory {
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/curves/CurvesHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/curves/CurvesHelper.java
index 97bcab1f9..b11acb8e3 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/curves/CurvesHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/curves/CurvesHelper.java
@@ -58,7 +58,7 @@ import com.jme3.scene.VertexBuffer.Type;
 import com.jme3.scene.mesh.IndexBuffer;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.BlenderInputStream;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/exceptions/BlenderFileException.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderFileException.java
similarity index 95%
rename from engine/src/blender/com/jme3/scene/plugins/blender/exceptions/BlenderFileException.java
rename to engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderFileException.java
index fef2fb575..4c25a52da 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/exceptions/BlenderFileException.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderFileException.java
@@ -29,7 +29,7 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-package com.jme3.scene.plugins.blender.exceptions;
+package com.jme3.scene.plugins.blender.file;
 
 /**
  * This exception is thrown when blend file data is somehow invalid.
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderInputStream.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderInputStream.java
index 871f6e84f..d420701a9 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderInputStream.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/BlenderInputStream.java
@@ -38,8 +38,6 @@ import java.io.InputStream;
 import java.util.logging.Logger;
 import java.util.zip.GZIPInputStream;
 
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
-
 /**
  * An input stream with random access to data.
  * @author Marcin Roguski
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/DnaBlockData.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/DnaBlockData.java
index ae75a2414..35ffaa5db 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/DnaBlockData.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/DnaBlockData.java
@@ -32,7 +32,7 @@
 package com.jme3.scene.plugins.blender.file;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+
 import java.util.HashMap;
 import java.util.Map;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/DynamicArray.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/DynamicArray.java
index 01b79c146..d6d110054 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/DynamicArray.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/DynamicArray.java
@@ -31,8 +31,6 @@
  */
 package com.jme3.scene.plugins.blender.file;
 
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
-
 /**
  * An array that can be dynamically modified/
  * @author Marcin Roguski
@@ -54,15 +52,15 @@ public class DynamicArray<T> implements Cloneable {
      * Constructor. Builds an empty array of the specified sizes.
      * @param tableSizes
      *            the sizes of the table
-     * @throws BlenderFileException
+     * @throws IllegalArgumentException
      *             an exception is thrown if one of the sizes is not a positive number
      */
-    public DynamicArray(int[] tableSizes, T[] data) throws BlenderFileException {
+    public DynamicArray(int[] tableSizes, T[] data) {
         this.tableSizes = tableSizes;
         int totalSize = 1;
         for (int size : tableSizes) {
             if (size <= 0) {
-                throw new BlenderFileException("The size of the table must be positive!");
+                throw new IllegalArgumentException("The size of the table must be positive!");
             }
             totalSize *= size;
         }
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/Field.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/Field.java
index 2600c3d66..322eadac1 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/Field.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/Field.java
@@ -1,8 +1,8 @@
 package com.jme3.scene.plugins.blender.file;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure.DataType;
+
 import java.util.ArrayList;
 import java.util.List;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/FileBlockHeader.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/FileBlockHeader.java
index de4da7afa..7bd634254 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/FileBlockHeader.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/FileBlockHeader.java
@@ -32,7 +32,6 @@
 package com.jme3.scene.plugins.blender.file;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
 
 /**
  * A class that holds the header data of a file block. The file block itself is not implemented. This class holds its
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/Pointer.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/Pointer.java
index a7b42a3c2..7c72d59ec 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/Pointer.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/Pointer.java
@@ -32,7 +32,7 @@
 package com.jme3.scene.plugins.blender.file;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -91,7 +91,7 @@ public class Pointer {
         List<Structure> structures = null;
         FileBlockHeader dataFileBlock = blenderContext.getFileBlock(oldMemoryAddress);
         if (dataFileBlock == null) {
-            throw new BlenderFileException("No data stored for address: " + oldMemoryAddress + ". Rarely blender makes mistakes when storing data. Try resaving the model after making minor changes. This usually helps.");
+            throw new BlenderFileException("No data stored for address: " + oldMemoryAddress + ". Make sure you did not open the newer blender file with older blender version.");
         }
         if (pointerLevel > 1) {
             int pointersAmount = dataFileBlock.getSize() / inputStream.getPointerSize() * dataFileBlock.getCount();
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/file/Structure.java b/engine/src/blender/com/jme3/scene/plugins/blender/file/Structure.java
index 91e433f3d..ffbba0849 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/file/Structure.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/file/Structure.java
@@ -32,7 +32,7 @@
 package com.jme3.scene.plugins.blender.file;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/lights/LightHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/lights/LightHelper.java
index 6ea24d5cd..9f0c4909b 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/lights/LightHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/lights/LightHelper.java
@@ -42,8 +42,9 @@ import com.jme3.scene.LightNode;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialContext.java b/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialContext.java
index 14d07dc2a..52bc4e840 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialContext.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialContext.java
@@ -20,7 +20,7 @@ import com.jme3.scene.VertexBuffer;
 import com.jme3.scene.VertexBuffer.Format;
 import com.jme3.scene.VertexBuffer.Usage;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialHelper.java
index d07d0948c..9ce112ace 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/materials/MaterialHelper.java
@@ -46,7 +46,7 @@ import com.jme3.math.FastMath;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.shader.VarType;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/meshes/MeshHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/meshes/MeshHelper.java
index a029b2a1a..8c470275b 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/meshes/MeshHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/meshes/MeshHelper.java
@@ -51,7 +51,7 @@ import com.jme3.scene.VertexBuffer.Usage;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArmatureModifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArmatureModifier.java
index 2eedcc37d..510cdfa2f 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArmatureModifier.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArmatureModifier.java
@@ -30,7 +30,7 @@ import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
 import com.jme3.scene.plugins.blender.animations.AnimationData;
 import com.jme3.scene.plugins.blender.animations.ArmatureHelper;
 import com.jme3.scene.plugins.blender.animations.BoneContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArrayModifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArrayModifier.java
index 689f3ca8d..1e75b32cd 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArrayModifier.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ArrayModifier.java
@@ -10,13 +10,14 @@ import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.objects.ObjectHelper;
 import com.jme3.scene.shape.Curve;
+
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/MirrorModifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/MirrorModifier.java
index ba807271f..8e08752cd 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/MirrorModifier.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/MirrorModifier.java
@@ -20,7 +20,7 @@ import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.VertexBuffer.Type;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.objects.ObjectHelper;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ModifierHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ModifierHelper.java
index a7e7c589f..e72b0c21c 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ModifierHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ModifierHelper.java
@@ -35,9 +35,10 @@ import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.animations.Ipo;
 import com.jme3.scene.plugins.blender.animations.IpoHelper;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java
index daa75a793..8328b1244 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ObjectAnimationModifier.java
@@ -15,7 +15,7 @@ import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
 import com.jme3.scene.plugins.blender.animations.AnimationData;
 import com.jme3.scene.plugins.blender.animations.Ipo;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 
 /**
  * This modifier allows to add animation to the object.
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ParticlesModifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ParticlesModifier.java
index 5239c378e..03a9324a9 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ParticlesModifier.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/ParticlesModifier.java
@@ -9,11 +9,12 @@ import com.jme3.scene.Mesh;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
 import com.jme3.scene.plugins.blender.materials.MaterialHelper;
 import com.jme3.scene.plugins.blender.particles.ParticlesHelper;
+
 import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Level;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/objects/ObjectHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/objects/ObjectHelper.java
index 595153b2c..16fe9eb6b 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/objects/ObjectHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/objects/ObjectHelper.java
@@ -55,7 +55,7 @@ import com.jme3.scene.plugins.blender.animations.ArmatureHelper;
 import com.jme3.scene.plugins.blender.cameras.CameraHelper;
 import com.jme3.scene.plugins.blender.constraints.ConstraintHelper;
 import com.jme3.scene.plugins.blender.curves.CurvesHelper;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/objects/Properties.java b/engine/src/blender/com/jme3/scene/plugins/blender/objects/Properties.java
index 9732ddc5a..246f167e8 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/objects/Properties.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/objects/Properties.java
@@ -1,11 +1,12 @@
 package com.jme3.scene.plugins.blender.objects;
 
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.BlenderInputStream;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/particles/ParticlesHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/particles/ParticlesHelper.java
index 29f4dc974..97e0caab2 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/particles/ParticlesHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/particles/ParticlesHelper.java
@@ -11,10 +11,11 @@ import com.jme3.effect.shapes.EmitterMeshVertexShape;
 import com.jme3.math.ColorRGBA;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.logging.Logger;
 
 public class ParticlesHelper extends AbstractBlenderHelper {
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/textures/ColorBand.java b/engine/src/blender/com/jme3/scene/plugins/blender/textures/ColorBand.java
index edd32c24e..52fa3983a 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/textures/ColorBand.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/textures/ColorBand.java
@@ -33,10 +33,11 @@ package com.jme3.scene.plugins.blender.textures;
 
 import com.jme3.math.FastMath;
 import com.jme3.scene.plugins.blender.BlenderContext;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.DynamicArray;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;
+
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.logging.Level;
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureHelper.java b/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureHelper.java
index c120cbb88..22cfca322 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureHelper.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureHelper.java
@@ -32,6 +32,7 @@
 package com.jme3.scene.plugins.blender.textures;
 
 import com.jme3.asset.AssetInfo;
+
 import java.awt.color.ColorSpace;
 import java.awt.geom.AffineTransform;
 import java.awt.image.BufferedImage;
@@ -57,7 +58,7 @@ import com.jme3.scene.VertexBuffer.Type;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
-import com.jme3.scene.plugins.blender.exceptions.BlenderFileException;
+import com.jme3.scene.plugins.blender.file.BlenderFileException;
 import com.jme3.scene.plugins.blender.file.FileBlockHeader;
 import com.jme3.scene.plugins.blender.file.Pointer;
 import com.jme3.scene.plugins.blender.file.Structure;