I have an assembly of mated sub parts. these are arranged in a chain pattern. ( not using the belt/chain ) I have mated all the separate links in this test assembly. I have been using the Advanced angle mate to constrain each link. When I try to move a link it will not move, and the Over Defined warning is on at the bottom of the assembly page. Nothing is showing as yellow or red in the tree. And MateExpert is grayed out and unselectable.

I need help to figure out where the over defined constraint is coming from.

Thanks for the help.