! [rejected] master -> master (fetch first)

Question

Is there a good way to explain how to resolve \"! [rejected] master -> master (fetch first)\'\" in Git?

When I use this command $ git push or

Answer 1

This worked for me, since none of the other solutions worked for me. NOT EVEN FORCE!

https://docs.github.com/en/github/collaborating-with-issues-and-pull-requests/resolving-a-merge-conflict-using-the-command-line

Just had to go through Git Bash

cd REPOSITORY-NAME
git add .
git commit -m "Resolved merge conflict by incorporating both suggestions."

Then back to my cmd and I could: git push heroku master which in my case was the problem.