|commit already exists
|With this error message Gerrit rejects to push a commit to an
|existing change via `refs/changes/n` if the commit was already
|successfully pushed to the change. In this case there is no
|new commit and consequently there is nothing for Gerrit to do.
|For further information about how to resolve this error, please
|refer to link:error-no-new-changes.html[no new changes].
|Part of link:error-messages.html[Gerrit Error Messages]