Hi,

I get the error when I register a keymap. Please check the following code. It only happens with Desktop window.

Both keymaps will show error. After you have tested this code, just remove keymp in desktopwindow, you will get error from 2nd keymap.

<ext:Desktop 
    ID="MyDesktop" 
    runat="server" 
    BackgroundColor="White" 
    ShortcutTextColor="Black"
    />

<ext:DesktopWindow runat="server" ForceLayout="true" ID="winDesk" Height="400" Width="500">
    <Items>
        <ext:Panel runat="server">
            <Items>
                <ext:TextField runat="server" ID="txt"></ext:TextField>
            </Items>
        </ext:Panel>
    </Items>
    <KeyMap>
        <ext:keybinding Scope="#{txt}" >
            <keys>
                <ext:key code="ENTER" />
            </keys>
            <Listeners>
                <Event Handler="alert('Enter Pressed');" /> 
            </Listeners>
        </ext:keybinding>
    </KeyMap>
</ext:DesktopWindow>

<ext:KeyMap runat="server" Target="#{winDesk}">
    <ext:keybinding Scope="#{txt}" >
        <keys>
            <ext:key code="ENTER" />
        </keys>
        <Listeners>
            <Event Handler="alert('Enter Pressed');" /> 
        </Listeners>
    </ext:keybinding>
</ext:KeyMap>