Mac OS X wants to use system keychain when compiling the project

Question

I am asked to type in the system admin user name and password when I compile my Xcode project. The whole message is

Mac OS X wants to make changes. Ty

Answer 1

I was getting this problem because I had duplicate certificates in my login and System keychains. By opening Keychain Access and deleting all certificates from System that were also in login solved this problem. Hope this helps.