Code signing is required for product type 'Application' in SDK 'iOS5.1'

Question

I am using xCode 4.3.1. After i created a project, i build it and tried to Archive. Then i got an error saying; (This is my first project in xCode 4.3.1)

Answer 1

I had same problem with an Apple Sample Code. In project "PhotoPicker", in Architectures, the base SDK was:

This parametrization provokes the message:

CodeSign error: code signing is required for product type 'Application' in SDK 'iOS 7.1'

It assumes you have a developer user, so... use it and change:

And the error disappears.