Oracle : Ошибка ORA-31180

"DOM Type mismatch in invalid PL/SQL DOM handle"
*Cause: The specified PL/SQL DOM handle is referencing a DOM Node whose
DOM Type that does not match the one available in the session.
This could happen because the pl/sql handle was reused, or the
original document is no longer available.
*Action: Ensure that the pl/sql handle for the target node is valid and
try the operation again.

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