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

 expression_type is not implemented at command level

    Facility: DEBUG, VMS Debugger

    Explanation: The expression_type is not supported at this type.

    User Action: Specify a type of expression that the debugger
    supports.