Github fatal authentication failed for

Describes the cause and action for error messages.

Error Message(English)：
fatal authentication failed for

Resolution

githubで2段階認証を設定したらpushできなくなった - Qiita
https://qiita.com/yoan/items/08b1ba9c9aceab1ffe5e

SourcetreeでBacklogのGit接続エラー - Qiita
https://qiita.com/chimayu/items/fd2d44ec97ac085e8854

Gitで「fatal: Authentication failed for 'https://example.com ... - エス技研
https://blog.s-giken.net/391.html

Git push results in "Authentication Failed" - Stack Overflow
https://stackoverflow.com/questions/17659206/git-push-results-in-authentication-failed

[Git][GitHub]GitHubにPushする際に認証失敗する | DevAchieve
http://wada811.blogspot.com/2014/05/failed-to-push-to-github-over-https.html

Git - gitで終了コード128エラーとなりリモートリポジトリがクローン出来ない ...
https://teratail.com/questions/121374

Git - source tree/Gitの使い方｜teratail
https://teratail.com/questions/51306

GitHub Error: Authentication Failed from the Command Line - Medium
https://medium.com/@ginnyfahs/github-error-authentication-failed-from-command-line-3a545bfd0ca8

SourceTreeでPullのエラーが出たときの対処について - Research Note！！
http://publicjournal.hatenablog.com/entry/2016/12/17/151614