2014 SolidWorks Simulation - Flat Pattern

I am on 2014 SolidWorks Simulation.  I have an assembly I want to analyze.  I get to the mesh step, and create a successful mesh.  But, the issue comes after it creates a mesh, one of the parts goes to it's flat pattern state.  I can't analyze it at flat pattern, and I go back into the part, and suppress the flat pattern.  Once, I suppress the flat pattern, it give me errors, about the part now cannot be unbent. 

Then, I try to perform a static study, and just sits there processing.  It is a small assembly, and something that shouldn't take that long to process.

What are my options with this part?  It is a mirror of a part.  Is there a way to break this "mirror" link?  Would that help my analysis?

Thanks,

Richard