Sketchup 2021 crashes when opening file

[MikeWayzovski]

Lately, the most occurring bugsplat on Mac is that it wasn’t installed and that you are clicking on the disc image on the desktop or have an icon in the dock that refers to that.
Check this post:

Fixing crashes caused by an unusual install location of SketchUp on Mac

SketchUp 2021.0.1 included a change to take care of an issue that some Mac users were seeing. Since then we have found that a high percentage of users who experienced that crash are running SketchUp from a location that isn’t the intended one. For example, over half of the people who submitted this particular crash are running SketchUp from the disk image file. Another set of people have copied SketchUp to an unconventional location. Some of those locations will not have given SketchUp the righ…