When flattening plies that go over core, the flat patterns are incorrect.

 

I'm creating a simple layup with core in it.  When I flatten the plies that go over the core they are about 3/8 inch short.  In producibility I'm using the "Minimum Distortion" propagation type.  Is there a way to fix this?   I have have the CPX (Composite Design) license, is this the correct license to get good flat patterns or do I need another like CFM (Composite Fiber Modeler) license or CPM ( Composites Part Manufacturing).  The information on the licenses is hard to find and my reseller is even less help.