008D8FCA Invalid terminal type for Guide Mode.

    Explanation:

    You can enter Guide Mode only if your terminal is a VT-terminal
    or is compatible with VT-terminals.

    User Action:

    If you wish to use Guide Mode, you must use a VT- or VT-
    compatible terminal. If you are using a VT-terminal, then enter
    the following command from DCL level: $ SET TERMINAL/INQUIRE