** ERROR 2002033 ** Core or insert material is undefined, invalid, or incomplete. The error may be because the core or insert material is not assigned or some material properties (such as mechanical properties) are missing.
The Material from which this feature is made setting in one or more Core (3D) or Insert (3D) elements is not specified or invalid.
Check the properties of all Core (3D) or Insert (3D) elements in the model.