Your crash seems to be related to the Materials panel color swatches. You can check on the “Chiclets” panel in other apps, and perhaps clearing these out if you don’t mind? We had a bug 10 years ago where we put SketchUp materials onto the Chiclets, and we could make other apps crash. Maybe some app is doing that to us now? ;-/
I did clear my color swatches by doing the following:
then in Terminal, type:
Then relaunch SketchUp. Let me know if that clears up anything.