Code Sign error: Certificate identity 'iPhone Developer: My Name (xxx)' appears more than once in the keychain

Question

I m stuck with this error:

Code Sign error: Certificate identity \'iPhone Developer: My Name (xxx)\' appears more than once in the keychain. The codesign tool requir

Answer 1

Solution:

In keychain: I’ve found that if you switch to the “All Items” view, on the left hand side, the deletion seems to work every time. But maybe that was just blind luck. Even if it fails, the act of switching back and forth between “All Items” and “My Certificates” seems to force KA to refresh the view, and tells you if the delete has “worked” yet:

link:

http://viggnesh.com/blog/problem-faced/

Answer 2

This works sometimes for me:

• Delete all duplicates that you can see from the keychain (normally this step on itself does not help me)
• Then also delete (or at least temporarily rename/move ~/Library/Developer/Xcode folder. Xcode keeps old crap/cache in there. I guess profiles exist there. Waste em. (Note that the path of this folder is changeable in Xcode prefs so if you changed the path, go there and delete stuff instead.)

Then rebuild. Worked for me this minute after getting this error the millionth time.