I have to add push notifications to my app, I used this tutorial to implement it http://www.raywenderlich.com/3443/apple-push-notification-services-tutorial-part-12
and http://lessons.runrev.com/m/4069/l/53405
after i followed all the mentioned instruction in the tutorial then install the new provisioning profile it gives me the following message next to provisioning profile
valid signing identity not found
I am sure the the public and privet keys in my keychain so what is this problem ?