UIImageView | unrecognized selector sent to instance | Xcode 6.4 | iOS 8.4

Question

I\'m new at Xcode, and my task was to migrate the code from iOS 6.1 to 8.4, but there where so many deprecated methods. I solved them (I hope so), but now I

Answer 1

Copy and paste all files from the library in your project. I tried everything suggested and nothing worked. At the end, simple copy paste do the work.

Also, I must say that I didn't have this problem on the new project, just in existing one. On the new project everything worked just fine.