ORA-22898: existing scope clause on string points to a table other than the one mentioned in the referential constraint

ORA-22898: existing scope clause on string points to a table other than the one mentioned in the referential constraint

Cause: Table mentioned in the referential integrity constraint is different from the scope table of the REF column.

Action: Specify the scope table of the REF column in the referential integrity constraint and then retry the operation.