ORA-08459: invalid format parameter length

admin

ORA-08459: invalidformat parameter length
Cause: The format parameter passed to a UTL_PG conversionroutine was not the
correct length. Format parameters must be 2048 bytes in length.
Action: Checkto be sure that the format parameter was built by MAKE_RAW_
TO_NUMBER_FORMAT or MAKE_NUMBER_TO_RAW_FORMAT, and that it
was not accidentally overwritten or modified by the PL/SQL procedure.