Xcode 4 -reinstalls keychain certs that I delete

Question

I am getting this error:

CodeSign error: Certificate identity \'iPhone Developer: XXX\' appears more than once in the keychain. The codesign too

Answer 1

the above method not work for my case

finally , i go to keychain

and search the key by entering the name

i finally found the cert which is supposed to be deleted before . then i deleted it and the problem solved

it's really frustrating , and i don't know whether it's the bug ....... really exhausting.