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

 o  entity class not supported (OpenVMS)

    MOP has not registered with EMAA.  The NET$MOP process has
    probably not been properly started.  For more information,
    see HELP NETWORK_MANAGEMENT MOP.

 o  unsupported circuit type

    Type argument value is not supported in this implementation.

 o  already exists

    A mop circuit by this name already exists.