Error: We're having an issue reaching Google drive

We’re using SketchUp for Schools in my classes. Several students regularly have a problem saving their files. When they click the Save button, they get an Error message that says “We’re having an issue reaching Google Drive. Please download a backup file. While you try that, we’ll be working on this issue.”

This does not affect all students, and I’ve never had the problem (teacher). They are logged into their school Google accounts when this happens.

After some experimenting, I discovered they can save their files using Save As. So there’s a workaround, but it would be great to figure out what’s happening so it can be prevented.

Thanks!
Note: similar to Issue reaching Trimble connect, but that was a different problem.