nemesis, the "Part Design module development" forum specifically dictates:
About the development of the Part Design module/workbench. PLEASE DO NOT POST HELP REQUESTS HERE!
Your topic is not about development, it's about bug reporting, this should have been posted in the "Help on using FreeCAD" forum.
Please have a look at the "Bug submission guidelines" pinned at the top of the "Help on using FreeCAD" forum.
The "Bug submission guidelines" forum wrote:If you are unsure, discuss the problem on the forum first. Open a new topic here on the forum, in the help section, and ask if what you found is a bug. Other users will surely be able to help you determining what you should do.