Hi Ok,
You can check for your issue this below notes also.
1897236 - HANA: Error "insufficient privilege
1989884 - DBPROC_SQL_ERROR / Error 258 while executing database procedure
Or
Now run Transaction SE16N ---> Table DDXTT ---> execute ---> If any entry exists here,we need to delete the same and save. if required confirmation raise a OSS message to SAP and confirm to delete.
Regards,
V Srinivasan