Error: Argument is not a function, got undefined

Question

Using AngularJS with Scala Play, I\'m getting this error.

Error: Argument \'MainCtrl\' is not a function, got undefined

I\'m try

Answer 1

Some times this error is a result of two ng-app directives specified in the html. In my case by mistake I had specified ng-app in my html tag and ng-app="myApp" in the body tag like this: