Hi all, I get a java.lang.NullPointerException at javax.media.j3d.RenderBin.removeOrderedBin(RenderBin.java:4558) at javax.media.j3d.RenderBin.removeAllRenderAtoms(RenderBin.java:4529) at javax.media.j3d.MasterControl.unregisterView(MasterControl.java:1713) at javax.media.j3d.MasterControl.handlePendingRequest(MasterControl.java:2648) at javax.media.j3d.MasterControl.doWork(MasterControl.java:2570) at javax.media.j3d.MasterControlThread.run(MasterControlThread.java:28) when I have a OrderedGroup with to BranchGroups as children, where one BranchGroup is empty. I'm using 1.2.1_02 with latest 1.3.1 jdk. It doesn't bother me very much. It's just a report (maybe a bug!!) Cheers, Karsten =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".