Issue
Due to security improvements being made for some OAuth authenticated data sources in Tableau Online, it will be necessary to reauthenticate in order to prevent disruption.If the resolution steps are not taken to prevent disruption, the following error will occur when accessing live views or refreshing extracts:
Unable to connect to data source with the supplied credentials, or no credentials provided.
Tableau needs an unexpired OAuth refresh token to connect to the data. Ask your database administrator to issue a refresh token, then try again.
Tableau needs an unexpired OAuth refresh token to connect to the data. Ask your database administrator to issue a refresh token, then try again.