** ERROR 99972 ** The model does not contain any elements of type "part surface". Cannot generate interface files.
The model does not contain any elements describing the part, that is, with the property "Part surface (Midplane)" or "Part surface (Dual Domain)". The Fill+Pack analysis cannot create interface files for Cool or Warp analysis.
Check the properties of the elements in the model and/or import or create the geometry for the part.