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

 illegal pathname element at path_name

    Facility: DEBUG, VMS Debugger

    Explanation: Invocation numbers cannot be used with other
    pathnames.

    User Action: Eliminate the continuation of the pathname after the
    invocation number.