Xcode 10, Command CodeSign failed with a nonzero exit code

Question

Everytime I build console is showing this message.

CodeSign /Users/admin/Desktop/AppStoreBuild/Project201/build/Debug-iphonesimulator/Project.app (in

Answer 1

For me I had to go to keychain, select the "login" keychain, double click on the iOS Developer:myname key, click the access control tab and switch the radio button to Allow all applications to access this item.