@geardyn-1 Yep that was issue! The version I was running, R10.0, apparently has issues with RCFORC, I installed the latest version and now its working...

@negativevolume I am not using *Control_Contact and my contacts are all defined with segment sets. I'm starting to think this might be a tech issue, I...

@negativevolume Nope, I'm using automatic surface to surface and surface to surface interference contacts. I tried following a simple tutorial to see ...