Command /usr/bin/codesign failed with exit code 1

Question

I have the following error:

Command /usr/bin/codesign failed with exit code 1

Here is what I already did for trying to fix this:

Answer 1

When I experienced this error, it was due to having been in Keychain Access, and choosing 'Disallow' when asked whether I wanted to let the program access a saved password. Going back in and selecting 'Allow' and typing my system password fixed the problem in XCode.