Hello dear Experts,
I have performed several operations to create a part with an inner cavity in Inspire 2024.1, as shown in the following image:


However, when I import the model into Simlab 2024.1, the inner cavity does not appear:

I have tried all CAD extension (iges, parasolid, step, etc). What should I do?
Thanks in advance.
Best regards,
Francisco
PD: I have attached the Inspire model.