Gilbert Quevauvilliers diagnoses an error:
I have been doing a lot of work recently using Power BI Premium Per User and recently I got the following error below when trying to update my fact table in Power Query.
“An unexpected error occurred (file ‘tmsavepoint.cpp’, line 1503, function ‘TMSavePoint::GetProxyImpl’)”
Read on to understand what this error means and how you can fix it. Do be sure to look out for the very important warning about 2/3 of the way in.