GitHub for Mac error: git: 'credential-osxkeychain' is not a git command

Question

When using the GitHub for Mac app (version 87), I received the following error:

git: \'credential-osxkeychain\' is not a git command. See \'git --help

Answer 1

git: 'credential-osxkeychain' is not a git command. See 'git --help'. this error message's gone after I upgraded git, with

brew upgrade git

==> Upgrading 1 outdated package:
git 2.11.1 -> 2.21.0