I was seeing the above message (it was having trouble uploading).
The issue was resolved in another post thanks to @dezmo. I had to
" . . .navigate to the login.session.dat file using the pathways below and delete that file:
For Windows:
C:\Users\username\AppData\Roaming\SketchUp\SketchUpEnter Version 2022\SketchUpFor Mac:
Click the Go menu, and then hold the Option button and you should see “Library” appear in the dropdown, select that folder:
Now you should see Application Support > SketchUp 2022 > Sketchup . . . "
~Login Errors (SketchUp.com)