Editor crashes when saving widget

Hello guys,
Every time I try to save a widget on my project the editor crashes on 50%. Here you guys can see the error log.
Thanks in advance!

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks