Describes the cause and action for error messages.
tag already exists
Git force push tag when the tag already exists on remote
Getting Travis to skip pushing a tag if it exists
Change date of git tag (or GitHub Release based on it)
“tag already exists in the remote" error after recreating the git ...
“tag already exists in the remote" error after recreating the git tag ...
かなりいい加減なgitエラー解決方法 - Qiita
Github Releases problem: tag already exists ・ Issue #9016 ・ travis-ci ...
Check if tag already exists before publishing ・ Issue #70 ... - GitHub
Release crashes because tag already exists but tag did not ... - GitHub