xCode 4 “File not Found” when creating .ipa with core-plot library

Question

I have my app ready to ship, and I can not create the .ipa I need to do so.

I have reproduced my problem in a very small example.

1) Create a new project (I used

Answer 1

I had the same problem. After making sure my certificate and provisioning profile were correct for In-House deployment and making sure I didn't have any unwanted spaces or characters in the target names, what worked for me was to change my scheme from Debug to Release on the Run page. Product -> Scheme -> Edit Scheme -> Click Run -> Change Build Configuration to Release.