Hi Normand, thanks a lot for your time! When hovering the mouse on the exclamation point, an error message will appear in the bottom window border at the left. It does say "Error" down there when hovering, but nothing more. EDIT: True, now it says "Failed to validate broken face"...

I have a sketch with a pad. At some point the pad feature started to show the exclamation mark. I think it was while working on the two small squares in the top of the triangle it first showed. But I can't see what should be wrong. How can I see what the error is? I just started using FreeCAD and I ...