Menu.ext error i am not able to build the app

[viraj-nimble]

Hi,
I am getting this error when i am trying to build the app. please help me solve this issue. thank you.

sencha app build
Sencha Cmd v6.5.0.180
[INF] Processing Build Descriptor : default
[INF] Loading compiler context
[INF] Loading app json manifest...
[ERR] Failed to resolve dependency Ext.Menu for file ThemerContestApp.view.phone.main.Sidebar
[ERR]
[ERR] BUILD FAILED
[ERR] com.sencha.exceptions.ExNotFound: Unknown definition for dependency : Ext.Menu
[ERR]
[ERR] Total time: 5 seconds
[ERR] The following error occurred while executing this line:
/Users/user/bin/Sencha/Cmd/6.5.0.180/plugins/ext/current/plugin.xml:430: The following error occurred while executing this line:
/Users/user/bin/Sencha/Cmd/6.5.0.180/ant/build/app/build-impl.xml:387: The following error occurred while executing this line:
/Users/user/bin/Sencha/Cmd/6.5.0.180/ant/build/app/init-impl.xml:408: com.sencha.exceptions.ExNotFound: Unknown definition for dependency : Ext.Menu

[markbrocato]

Did you run sencha app install --frameworks=/path/to/extjs?