ORA-38470
        A proxy connection cannot be revoked if it was not granted first.
        
        
        Cause
        An attempt was made to revoke a proxy connection for a user. The proxy connection must first be granted for the revoke to succeed.
        Action
        Check the DBA_PROXIES views to see if the user was granted the proxy connection.
        
     
    
    
        ORA-38470
        cannot revoke a privilege that was not granted.
        
        
        Cause
        An attempt was made to revoke a privilege that had not been granted.
        Action
        Check catalog views to see if the user has the privilege.
        
     
    
    
        ORA-38470
        cannot revoke a privilege that was not granted.
        
        
        Cause
        An attempt was made to revoke a privilege that had not been granted.
        Action
        Check catalog views to see if the user has the privilege.