UIScrollView doesn't scroll after upgrading to iOS7 / xcode 5

Question

I have an app which in xcode 4.5 and ios 6.1 worked perfectly fine when scrolling. However, after downloading xcode 5 and iOS 7 my scroll views does not work anymore.???

Answer 1

As mentioned by user2394787:

Select your view controller that has the scrollview then go to

Editor -> Resolve AutoLayout Issues -> Add Missing Contraints in [your view controller].  

This will make it work.

I tried to vote up the above answer but do not have enough rep.