Cannot find Animation in j30 file

Troubleshooting import-assets
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Hey Guys,

I tried to work a bit with animations and currently have a little problem. I have my code here:

package mygame;

import com.jme3.animation.AnimChannel;
import com.jme3.animation.AnimControl;
import com.jme3.animation.AnimEventListener;
import com.jme3.animation.LoopMode;
import com.jme3.app.SimpleApplication;
import com.jme3.light.DirectionalLight;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Node;

/** Sample 7 - how to load an OgreXML model and play an animation,
 * using channels, a controller, and an AnimEventListener. */
public class HelloAnimation extends SimpleApplication
  implements AnimEventListener {
  private AnimChannel channel;
  private AnimControl control;

  public static void main(String[] args) {
    HelloAnimation app = new HelloAnimation();
    app.start();
  }

  @Override
  public void simpleInitApp() {
    viewPort.setBackgroundColor(ColorRGBA.LightGray);
    DirectionalLight dl = new DirectionalLight();
    dl.setDirection(new Vector3f(-0.1f, -1f, -1).normalizeLocal());
    rootNode.addLight(dl);
    Node player = (Node) assetManager.loadModel("Charakters/Archer/Movements/Walking/Walking.j3o");
    player.setLocalScale(0.05f);
    rootNode.attachChild(player);
    control = new AnimControl();
    player.addControl(control);
    control.addListener(this);
    channel = control.createChannel();
    channel.setAnim("Armature");
    channel.setLoopMode(LoopMode.Loop);
  }

  public void onAnimCycleDone(AnimControl control, AnimChannel channel, String animName) {/*unused*/}

  public void onAnimChange(AnimControl control, AnimChannel channel, String animName) {/*unused*/}
}

When I run the programm I get the following error:

SCHWERWIEGEND: Uncaught exception thrown in Thread[LWJGL Renderer Thread,5,main]
java.lang.IllegalArgumentException: Cannot find animation named: 'Armature/AnimControl/Armature'
	at com.jme3.animation.AnimChannel.setAnim(AnimChannel.java:252)
	at com.jme3.animation.AnimChannel.setAnim(AnimChannel.java:286)
	at mygame.HelloAnimation.simpleInitApp(HelloAnimation.java:45)
	at com.jme3.app.SimpleApplication.initialize(SimpleApplication.java:226)
	at com.jme3.system.lwjgl.LwjglAbstractDisplay.initInThread(LwjglAbstractDisplay.java:130)
	at com.jme3.system.lwjgl.LwjglAbstractDisplay.run(LwjglAbstractDisplay.java:207)
	at java.lang.Thread.run(Thread.java:748)

Soo he finds the file - its a blender file converted to j3o without any mistake, but he cannot find the animation. In Blender the Animation is called “Armature” so the same name. I have no clue why he cannot find it. I tried to export it to a mesh.xml yet but then I have another problem. I found a tutorial on this topic [Tutorial] Animation Workflow and Auto-Rigging Tools and did everything but in the last step - animation - its just not working…

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