DBG$HELP.HLB  —  DEBUG  Messages  NOEVENTFAC
 the /EVENT qualifier is not allowed: first type 'SET EVENT facility'
 to specify an event facility

    Facility: DEBUG, VMS Debugger

    Explanation: No event facility has been set up yet, therefore
    no events which use an event facility can be set, canceled, or
    displayed.

    User Action: Set an event facility, and try the operation again.
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