Git and nasty “error: cannot lock existing info/refs fatal”

Question

After cloning from remote git repository (at bettercodes) I made some changes, commited and tried to push:

git push origin master

Errors

Answer 1

I had this issue because I was on a branch that had a similar name to an upstream branch. i.e. the upstream branch was called example-branch and my local branch was called example-branch/backend. The solution was changing the name of my local branch like so:

git branch -m