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

 nonexistent process

    Facility: DEBUG, VMS Debugger

    Explanation: A process name or process identification specified
    in a command is not valid.

    User Action: Verify that the process name or identification is
    correct and that the process was not already deleted. Also verify
    that you have the required privilege to access the process.