Oracle Message ORA-13401 - duplicate entry for string in USER_SDO_GEOR_SYSDATA view

ERRORduplicate entry for string in USER_SDO_GEOR_SYSDATA view
CAUSEThe RASTER_DATA_TABLE and RASTER_ID columns contained the same information in two or more rows in the USER_SDO_GEOR_SYSDATA view.
ACTIONEnsure that the RASTER_DATA_TABLE and RASTER_ID columns in the USER_SDO_GEOR_SYSDATA view contain the correct information, and that the value pair is unique for each row.