DBA User Unable to Administer a Role

Under certain circumstances, it is possible that the DBA user is unable to manage a role.

If the DBA user is unable to manage a role (grant, revoke, or drop a role), it is because:

To resolve the issue, grant the global role administrator to the role (recommended) or add the DBA user as a role administrator for the role.

Related tasks
Adding Role Administrators to an Existing Role
Adding the Global Role Administrator to an Existing Role
Related reference
GRANT ROLE Statement