The following is the ORA-22898 error message, you can learn the cause and solution of the Oracle database error.
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.
Solution: Specify the scope table of the REF column in the referential integrity constraint and then retry the operation.
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