Dear Maximilian, Hello. I had the same problem. I was able to open a report window by replacing libwebkit2gtk-4.0-37=2.34.6-1~deb10u1 with the previous version libwebkit2gtk-4.0-37=2.34.5-1. So, libwebkit2gtk-4.0-37=2.34.6-1~deb10u1 may have a problem.
Best, Yuta Hayashibe