I am calculationg stength of a pressure vessel with a hinged door, and want to simulate the hinges as pin connectors

As a linear model, the solver works fine, but when running a nonlinear model, it will not start and gives no error message,

The meshing works fine, and so does the solver if I use a rigid connection or a link

Are there any limitation so that Nonlinear static does not support the pin connector?

I ame using SW2015 and Simulation Premium

Best regards

Torkil