运行错误，错在哪

whl_71_71

The design study terminated abnormally.
Mechanica could not generate elements for all of the
entities in the model.  To view the model with elements,
运行错误，错在哪
open the study model in Mechanica's independent
mode. You can then run error checking interactively and
examine the model further.

If the model does not contain any elements, return to
Pro/ENGINEER and transfer the model to independent
mode. Then, mesh the geometry using AutoGEM and use the
diagnostic messages to identify the problem areas.