Github changes not staged for commit

Describes the cause and action for error messages.

Error Message(English)：
changes not staged for commit

Resolution

github changes not staged for commit - Stack Overflow
https://stackoverflow.com/questions/10721624/github-changes-not-staged-for-commit

Immediately see "Changes not staged for commit" after git ...
https://stackoverflow.com/questions/31163799/immediately-see-changes-not-staged-for-commit-after-git・・・

GitHub for Mac - Staging is not working correctly (Changes ...
https://stackoverflow.com/questions/17800085/github-for-mac-staging-is-not-working-correctly-changes・・・

What does "Changes not staged for commit" mean
https://stackoverflow.com/questions/21134960/what-does-changes-not-staged-for-commit-mean

Why does 'git commit' not save my changes?
https://stackoverflow.com/questions/7704480/why-does-git-commit-not-save-my-changes

GitHub 初心者による GitHub 入門 （2）? status みて add して commit し ...
https://qiita.com/megu_ma/items/03388e1979b3fc0539f7

GitHub - githubでcommitできない｜teratail
https://teratail.com/questions/31900

git commit するまでに自分がやっていること ・ GitHub
https://gist.github.com/kurotaky/5483492

Git clone -> Changes not staged for commit ・ Issue #9492 ... - GitHub
https://github.com/matomo-org/matomo/issues/9492