The following is the ORA-22307 error message, you can learn the cause and solution of the Oracle database error.


ORA-22307 operation must be on a user-defined type

Cause: An attempt was made to perform an operation that is allowed only on a user-defined type, and the type is not a user-defined type.

Solution: Check to make sure that only user-defined types are being operated on.

Case:

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