Another git process seems to be running in this repository

Question

I\'m trying to learn how to use Git and have created a small project with an HTML, CSS, and Javascript file. I made a branch from my basically empty project and then made so

Answer 1

Delete index.lock in here:

/.git/index.lock

Also, if your repository has submodules, delete all index.lock in here as well:

/.git/modules//index.lock