Oracle : Ошибка ORA-28023

"must revoke grants of this role to other user(s) first"
*Cause: The role altered to IDENTIFIED GLOBALLY was granted to
one or more other users and/or roles. Global roles cannot
be granted to any user or role.
*Action: Use REVOKE to revoke the role from other users or roles first.

Попробовать перевести

Поискать эту ошибку на форуме