diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/animations/Ipo.java b/engine/src/blender/com/jme3/scene/plugins/blender/animations/Ipo.java
index b416118b4..ed2b4a0de 100644
--- a/engine/src/blender/com/jme3/scene/plugins/blender/animations/Ipo.java
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/animations/Ipo.java
@@ -1,5 +1,7 @@
 package com.jme3.scene.plugins.blender.animations;
 
+import java.util.logging.Logger;
+
 import com.jme3.animation.BoneTrack;
 import com.jme3.animation.SpatialTrack;
 import com.jme3.animation.Track;
@@ -16,6 +18,7 @@ import com.jme3.scene.plugins.blender.curves.BezierCurve;
  * @author Marcin Roguski
  */
 public class Ipo {
+	private static final Logger LOGGER = Logger.getLogger(Ipo.class.getName());
 
 	public static final int	AC_LOC_X	= 1;
 	public static final int	AC_LOC_Y	= 2;
@@ -218,7 +221,7 @@ public class Ipo {
 							}
 							break;
 						default:
-							throw new IllegalStateException("Unknown ipo curve type: " + bezierCurves[j].getType());
+							LOGGER.warning("Unknown ipo curve type: " + bezierCurves[j].getType());
 					}
 				}
 				translations[index] = new Vector3f(translation[0], translation[1], translation[2]);
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 94faba587..c438c9d2a 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
@@ -10,6 +10,7 @@ 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;
 
 /**
  * This class helps to compute values from interpolation curves for features
@@ -19,6 +20,7 @@ import java.util.List;
  * @author Marcin Roguski
  */
 public class IpoHelper extends AbstractBlenderHelper {
+	private static final Logger LOGGER = Logger.getLogger(IpoHelper.class.getName());
 
 	/**
 	 * This constructor parses the given blender version and stores the result.
@@ -132,7 +134,8 @@ public class IpoHelper extends AbstractBlenderHelper {
 		if (rnaPath.endsWith("rotation") || rnaPath.endsWith("rotation_euler")) {
 			return Ipo.OB_ROT_X + arrayIndex;
 		}
-		throw new IllegalStateException("Unknown curve rna path: " + rnaPath);
+		LOGGER.warning("Unknown curve rna path: " + rnaPath);
+		return -1;
 	}
 
 	/**