Xcode 'CodeSign error: code signing is required'

Question

I\'ve been working on an iPhone project with iOS 4.0. I just downloaded Xcode 3.2.4 with iOS SDK 4.1 so that I can work with the updated iOS. Upon opening the project in the

Answer 1

I use Xcode 4.3.2, and my problem was that in there where a folder inside another folder with the same name, e.g myFolder/myFolder/.

The solution was to change the second folder's name e.g myFolder/_myFolder and the problem was solved.

I hope this can help some one.