SDK:

- change confusing error message

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9345 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-core/src/com/jme3/gde/core/assets/AssetDataObject.java

@@ -193,7 +193,7 @@ public class AssetDataObject extends MultiDataObject {
 
     public synchronized void saveAsset() throws IOException {
         if (savable == null) {
-            Logger.getLogger(AssetDataObject.class.getName()).log(Level.WARNING, "Trying to save asset that has not been loaded before or does not support saving!");
+            Logger.getLogger(AssetDataObject.class.getName()).log(Level.WARNING, "Trying to write asset failed, asset data null!\nImport failed?");
             return;
         }
         final Savable savable = this.savable;