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

 mask used is not %VMR, displaying specified mask

    Facility: DEBUG, VMS Debugger

    Explanation: The supplied mask is not %VMR. To minimize
    confusion, Debug is showing the mask values as well as the target
    values.

    User Action: None, this message is informational.