Oracle : Ошибка ORA-14700

"Object(s) owned by SYS cannot be locked by non-SYS user"
*Cause: Attempt to issue a LOCK TABLE statement on SYS owned object(s)
by a non-SYS user, user should minimally have DML privileges
*Action: Re-issue LOCK TABLE statement for non-SYS user after granting DML
privileges on object, or non-SYS user should connect as SYS

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