Describes the cause and action for error messages.
Error Message(English)：
failed to add file
Add multiple project in one repository Github - Stack Overflow
https://stackoverflow.com/questions/42755839/add-multiple-project-in-one-repository-github
Git error: "Failed to add file public/bootstrap-multiselect/ to ...
https://stackoverflow.com/questions/28098326/git-error-failed-to-add-file-public-bootstrap-multisele・・・
Git error: "Failed to add file public/bootstrap-multiselect/ to index ...
https://stackoverflow.com/questions/28098326/git-error-failed-to-add-file-public-bootstrap-multisele・・・
OS X上のGitHubクライアントが失敗する（ “ファイルの追加に失敗しました ...
https://codeday.me/jp/qa/20190228/339405.html
Failed to add file FoundationPress/ to index. | Foundation Forum ...
https://foundation.zurb.com/forum/posts/53383-failed-to-add-file-foundationpress-to-index
ja.po - GitHub
https://github.com/pressqu/Unity-Linux/blob/master/i18n/subversion/ja.po
chromium-crosswalk/apk_merger.py at master ・ crosswalk ... - GitHub
https://github.com/crosswalk-project/chromium-crosswalk/blob/master/android_webview/tools/apk_merger・・・
pilot/PilotErrors.py at master ・ PanDAWMS/pilot ・ GitHub
https://github.com/PanDAWMS/pilot/blob/master/PilotErrors.py
Microsoft.VisualStudio.Package.Project.ja.xlf - GitHub
https://github.com/Microsoft/visualfsharp/blob/master/vsintegration/src/FSharp.ProjectSystem.Base/Pr・・・