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

 logical predecessor not defined

    Facility: DEBUG, VMS Debugger

    Explanation: The logical predecessor of the identifier or
    instruction referenced is not defined.

    User Action: None. This message is informational.