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

 no source directory list in effect

    Facility: DEBUG, VMS Debugger

    Explanation: The debugger command CANCEL SOURCE had no effect
    because no source directory search list is currently in effect.

    User Action: None. This message is informational.