Unable: git push origin master

I am unable to push a commit.

Counting objects: 15, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (8/8), done.
Writing objects: 100% (8/8), 1.13 KiB | 0 bytes/s, done.
Total 8 (delta 5), reused 0 (delta 0)
error: RPC failed; result=52, HTTP code = 0
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Everything up-to-date