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

 incorrect value of tag_value in discriminant field tag_name.

    Facility: DEBUG, VMS Debugger

    Explanation: The discriminate value you gave was out of range.

    User Action: Supply a discriminate value that is within the
    correct range.