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

I was experiencing this issue due to the misconfiguration of my Apple Worldwide Developer Relations Certification Authority certificate.

I resolved issue by switching from "Alway Trust" to "Use System Defaults"

Step by Step:

1. Open KeyChain
2. Click on "login" keychain (make sure it's unlock - if it's locked Right Click on it and choose "Unlock KeyChain")
3. Click on Certificates and locate Apple Worldwide Developer Relations Certification Authority certificate
4. Right click on it and choose Get info
5. Expand Trust section and change settings to Use System Defaults as per below screenshot