Unable to Extract Features from CAD Model

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Having an issue extracting features from CAD model. 

CAD model loads correctly. I can extract features from the model, define points on the model, everything is normal.

Then when I save the program, I am no longer to do any of that.

Can still create characteristics, and create features using probe, but no longer able to extract directly from CAD model.

Any thoughts?

[[Do...]]

Interesting. Does Calypso give you an error message or does it just not do anything when clicking the model after saving?

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No error message. Calypso is just unresponsive. All other functions work properly.