Xcode: iPhone app codesign error

Question

When building a new iPhone app in Xcode, I\'m getting this error:

codesign error: code signing identity \'iphone developer\' does not match any co

Answer 1

When none of the above helped me, I accidentally removed my card reader with my electronic signature certificate on it and now my app builds without errors. If you have such certificate, try unplugging it for a moment.