The client entered the PASS command. The __passwd function issued by the FTP server failed, indicating that this function is not supported in an address space where a load was done from an uncontrolled library.
The login to the user ID on the server system is rejected. Control is returned to the client for further command processing.
Contact the system programmer.
Ensure that programs being loaded from this address space are defined as program controlled. A corresponding ICH420I message is issued identifying the uncontrolled library where the load was done.