Git error -> fatal: the remote end hung up unexpectedly

Error: fatal: the remote end hung up unexpectedly

Description:

While pushing into GitHub, it's slowing running than usual and finally showed "fatal: the remote end hung up unexpectedly".

The files stay empty, nothing appear in the repo.

Solution: 

$ git config http.postBuffer 524288000

Reference

Git, fatal: The remote end hung up unexpectedly