ORA-13042: invalid SDO_LEVEL and SDO_NUMTILES combination
Cause: An invalid combination of SDO_LEVEL and SDO_NUMTILES values was read from the _SDOLAYER table. The most likely cause is that the columns are NULL.
Action: Verify the that SDO_LEVEL and SDO_NUMTILES columns contain valid integer values as described in the Oracle Spatial documentation. Then retry the operation.