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

 spawn command failed

    Facility: DEBUG, VMS Debugger

    Explanation: The debugger failed to perform a SPAWN command or
    SPAWN an editor. The error status returned from the SPAWN command
    is appended to this error message.

    User Action: If the SPAWN error is correctable, correct the
    problem and reenter the command. If not, the SPAWN command is
    unavailable.