Problem in displaying data from SAP HANA to Power Bi

After connecting SAP HANA to Power BI , only SYSTEM user can connect and every time i want to display the data from SAP HANA to power BI i get this Error message :

error old DB or odbc [SAP AG][LIBODBCHDB32 DLL][HDBODBC32] general error : 258 insufficient privileges

Note that the system user has all the privilege