I\'m not sure what I did to get this error in Xcode 5:
\"None of the input catalogs contained a matching app icon set named \"AppIcon\"\".
My app was build
I also have the same issue, in my experience it caused by :
note : for wrong size you need to place your art board in a clear coordinate, for example 1000 px, 200 px, i get it right by using top left anchor.