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

 attempt to evaluate unimplemented type, cannot proceed.

    Facility: DEBUG, VMS Debugger

    Explanation: The data type of the entity in question has not been
    implemented in the debugger. The debugger doesn't have the needed
    information on the entity's type to follow through with request.