Creating new remote branch: Fatal error.. but still seem to have worked

Hello I pushed a new branch (with no changes) just now, and got the following fatal error. The branch seems to have been pushed just fine though? vagrant@lucid32:~/src/phd$ git checkout -b PHD_1_1 Switched to a new branch 'PHD_1_1' vagrant@lucid32:~/src/phd$ git branch -a * PHD_1_1 master remotes/origin/GWYNNE_PLAYS_HERE remotes/origin/HEAD -> origin/master remotes/origin/MAIN remotes/origin/PHD_0_2 remotes/origin/PHD_0_4 remotes/origin/PHD_ENTERPRISE remotes/origin/RESTRUCTURE remotes/origin/master remotes/origin/rsync vagrant@lucid32:~/src/phd$ git diff PHD_1_1..master vagrant@lucid32:~/src/phd$ git push origin PHD_1_1 Enter passphrase for key '/home/vagrant/.ssh/id_rsa': Total 0 (delta 0), reused 0 (delta 0) remote: Welcome bjori. remote: Changesets accepted. Thank you for your contribution. remote: remote: fatal: ambiguous argument 'refs/heads/MAIN refs/heads/PHD_0_2 refs/heads/PHD_0_4 refs/heads/PHD_1_1 refs/heads/PHD_ENTERPRISE refs/heads/RESTRUCTURE refs/heads/master refs/heads/rsync': unknown revision or path not in the working tree. remote: Use '--' to separate paths from revisions remote: Attempting to push to mirror remote: To git@github.com:php/phd.git remote: * [new branch] PHD_1_1 -> PHD_1_1 To git@git.php.net:/phd.git * [new branch] PHD_1_1 -> PHD_1_1 -Hannes