debugger will share user process
    Facility: DEBUG, VMS Debugger
    Explanation: An error occured while trying to create a subprocess
    to run the main debugger image. This message indicates that the
    debugger is reverting back to the old behavior of running in the
    user process.
    User Action: Correct the problem specified in the messages
    preceding this message. If the problem cannot be solved, submit a
    Software Performance Report (SPR).