Anyone else seeing this problem?
There will be more hints in the syslog for which kind of object the system is failing.
Have you already tried the following procedure?
It is very important to run part cleanup only in gateway and in a fresh NX session, so there is nothing left over that prevents the cleanup.
Production: NX10.0.3, VERICUT 8.2, FBM, MRL 3.1.7 | TcUA 10.1 MP7 Patch 0 (10.1.7.0) | TcVis 11.4Development: C (ITK), .NET, Tcl/Tk Testing: NX12.0 | AWC 3.4 Preparing: NX12.0Employees of the customers, together we are strong How to Get the Most from Your Signature in the CommunityNX Customization - Best Practice Guide