I've created a defect report in the Google Issue Tracker here: https://issuetracker.google.com/issues/328026884If you're having similar issues, I recommend that you:visit the link aboveupvote the issue using the +1 buttonadd a comment with your obser...

I'm seeing the same issue. For context, the procedure described below is an operation that I do weekly, and this is the first time I've encountered this error.Steps to recreate:visit existing Data Sourceclick "EDIT CONNECTION"click "CREATE A NEW DATA...