Hi, I've got painful days searching to get this error. Here's the problem: Problem I can not get any event in above table. When I press the button, it does not trigger the function in the controller. I don't know why... until today. UI design Reason The problem comes from my initiation of the fragment to be used as table items. Each fragment to have a controller, but my code make the fragment get the wrong controller, Instead of getting controller of that view, they misunderstood with the window object, because I initiate the fragment where the context of this is the window object: The code in the browser console It's good to init your controller's properties in the top to provide an overview of global properties. But be aware of this keyword, which is very dynamic in Javascript. Solution If you init fragment to use in the view, init it in the event onInit() of view is the best, which the controller already loaded into this key word: ...