Oracle Error Message
ORA-13223: duplicate entry for string in SDO_GEOM_METADATA
Reason for the Error
There are duplicate entries for the given table and column value pair in the USER_SDO_GEOM_METADATA view.
Solution
Check that the specified table and geometry column names are correct. There should be only one entry per table, geometry column pair in the USER_SDO_GEOM_METADATA view.