Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, DUPLVQUAL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 duplicate or conflicting vector qualifier specified at 'command_
 line'

    Facility: DEBUG, VMS Debugger

    Explanation: The qualifier indicated in the shown command line
    fragment has already been specified, or is conflicting with an
    earlier specified qualifier.

    User Action: Delete the qualifier in error.