Or, YACC is still complaining even after I fixed my commit using
git commit --amend --author.
YACC checks the commit's Committer information against the Bitbucket Server user, not Author. These are normally the same; however, they will be different when applying patches on behalf of someone else or cherry-picking commits.
Verify the problem by using
git log --pretty=full to see a commit's Committer information.
If your git settings are misconfigured, you can fix both the Author and Committer for your last commit:
# Fix configuration git config user.name Your Name git config user.email email@example.com # Reset both author and committer git commit --amend --reset-author