Library /sys$common/syshlp/nclhelp.hlb enable, mop, Exception Messages  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 o  entity class not supported (OpenVMS)

    MOP is not registered with EMAA.  The NET$MOP process is probably
    not started.  For instructions on how to restart the MOP process,
    refer to HELP NETWORK_MANAGEMENT MOP.