Convert untrimmed surfaces to trimmed surfaces for HB

Hi everybody, I searched the forum for converting untrimmed surfaces to trimmed surfaces (BREPs) to avoid error messages when creating HB surfaces. I understand that untrimmed surfaces from BREPs cause this error. I would appreciate a solution on this, many thanks.

What is exactly the error? There is no error in your screenshot.

There was an error in another part of the definition which led me to believe it was linked to the BREP. All good now and issue solved. Thank you for paying attention to this. You guys are doing a great job for the community, hats off.