We had been using the Office365 version of Sketchup from the Windows Store for about a month before running into problems a few weeks back with users being unable to login.
We narrowed the cause of this problem down to the enabling of SSO within ADConnect on our Tenant.
It’s not feasible to disable SSO now, however one can proceed despite the problem (in most instances) by selecting ‘Use another account’ and re-signing in with the same credentials. Unfortunately this problem has, and continues to trip up Staff/Students.
One will also occasionally see some strange errors that stop the user proceeding at all as shown below: