Model checkin failing after upgrade to v 19.1

After doing a diagram upgrade from v17.1 to 19.1 any model checkin is failing with the error - anyone faced this issue please tell us how to fix this. A support ticket is raised as well.

Error: The ##tmpGModel_Option9 table could not initialize bulk insert.

--------------------- [Op:GET_LATEST, User:LCA\Makams-d2e3fc4d13274b4585076f8451297534, Dm1:UPath.DM1]: ErrorCode: 208 Severity: 2 LineNumber: 0 ErrorPosition: 0 Description: [Microsoft][SQL Server Native Client 11.0][SQL Server]Invalid object name '##tmpGModel_Option9'.(42S02) =================================================