https://userapps.support.sap.com/sap/support/knowledge/en/1436803
1436803 - Error 'A database error occured. The database error text is MDDataSetBW.GetCellData. See...
WebIntelligence report fail with error message 'A database error occured. The database error text is MDDataSetBW.GetCellData. See RFC trace file or SAP system...
the texterrordatabase