Oracle Message OCI-31180 - DOM Type mismatch in invalid PL/SQL DOM handle

ERRORDOM Type mismatch in invalid PL/SQL DOM handle
CAUSEThe 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.
ACTIONEnsure that the pl/sql handle for the target node is valid and try the operation again.