giterror

bash-4.3$ git push -u origin master
git push -u origin master
Counting objects: 5, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 549 bytes | 0 bytes/s, done.
Total 3 (delta 1), reused 0 (delta 0)
remote: fatal error in commit_refs
To git@github.com:lamiastella/bashscripts.git
 ! [remote rejected] master -> master (failure)
error: failed to push some refs to 'git@github.com:lamiastella/bashscripts.git'
bash-4.3$