CAD crashes and I am getting the above error while trying to edit an existing corridor. I am trying to add two different regions in an existing corridor. I accomplished this task yesterday, but due to design contraints have had to add two more regions. The two assemblies that I am using are already included in the corridor, so I know it shouldn't have anything to do with the assembly.
Any help would be greatly appreciated
AutoCAD 2010 C3D
Read post #8.
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