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

 file name, type, and version cannot be wildcarded

    Facility: DEBUG, VMS Debugger

    Explanation: The components of a file specification entered in a
    SET SOURCE command may not be wildcarded.

    User Action: Reenter the command without wildcarding any file
    specification components.