ORA-28156
        Proxy user 'string' not authorized to set role 'string' for client 'string'
        
        
        Cause
        A proxy user has not been granted the right to use a role on behalf of a client.
        Action
        Execute the command ALTER USER client GRANT CONNECT THROUGH PROXY proxy to grant the needed role.
        
     
    
    
        ORA-28156
        Proxy user 'string' not authorized to set role 'string' for client 'string'
        
        
        Cause
        A proxy user has not been granted the right to use a role on behalf of a client.
        Action
        Execute the command ALTER USER client GRANT CONNECT THROUGH PROXY proxy to grant the needed role.
        
     
    
    
        ORA-28156
        Proxy user 'string' not authorized to set role 'string' for client 'string'
        
        
        Cause
        A proxy user has not been granted the right to use a role on behalf of a client.
        Action
        Execute the command ALTER USER client GRANT CONNECT THROUGH PROXY proxy to grant the needed role.