Git works with the concept of local and remote branches. A local branch is a branch that exists in your local version of the git repository. A remote branch is one that exists on the remote location. A remote equates roughly to a place where you git repository is hosted (eg. a GitHub/GitLab/BitBucket/self-hosted Git server repository instance).

“the tip of your current branch is behind its remote counterpart” means that there have been changes on the remote branch that you don’t have locally.

For fixing this error you can try methods from here:  https://codewithhugo.com/fix-git-failed-to-push-updates-were-rejected/

Hello.