Component is part of the declaration of 2 modules

Question

I try to build an ionic 2 app. When I try the app in the browser with ionic serve or launch it on an emulator everything works fine.

But when I try to build it every

Answer 1

Simple fix,

Go to your app.module.ts file and remove/comment everything that binds with add_event. There is no need of adding components to the App.module.ts which are generated by the ionic cli because it creates a separate module for components called components.module.ts.

It has the needed module component imports