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

 o  already exists

    A MOP module already exists.

 o  entity class not supported (OpenVMS)

    MOP has not registered with EMAA.  The NET$MOP process has probably
    not been properly started.  See HELP NETWORK_MANAGEMENT MOP for
    further information.