j3D errors

[Guigui]

Hello,
i've this error message when try to execute an application
using Java 3D library.
somebody can help me ?
regards, guillaume.


WARNING: Canvas3D constructed with a null GraphicsConfiguration.
>

>
>Exception occurred during event dispatching:
>
>javax.media.j3d.CapabilityNotSetException: GeometryArray: no capability
>to set colors
>> at javax.media.j3d.GeometryArray.setColors(GeometryArray.java:1332)
>
> at
>com.interactive.v3d.internal.v3dAttributeController.updateColors(v3dAttribu
teController.java,
>Compiled Code)
>
> at com.interactive.v3d.view.v3dView.updateContainer(v3dView.java,
>Compiled Code)
>
> at
>com.interactive.v3d.model.models.v3dContainer.notifyContainerListener(v3dCo
ntainer.java,
>Compiled Code)
>
> at
>com.interactive.v3d.model.models.v3dContainer.updateShape(v3dContainer.java
:319)
>
> at
>com.interactive.v3d.model.shape.v3dShape.notifyShapeListeners(v3dShape.java
,
>Compiled Code)
>
> at
>com.interactive.v3d.model.shape.v3dShape.updateAttribute(v3dShape.java:568)
>
> at
>com.interactive.v3d.model.attribute.v3dAttribute.notifyAttributeListeners(v
3dAttribute.java,
>Compiled Code)
>
> at
>com.interactive.v3d.model.attribute.v3dAttribute.setColor(v3dAttribute.jav
>
>