While working with teams, there is a good chance of screw ups. There can be any mistake one of the most common is leaving conflict markers somewhere. Finding these markers can be tedious if you have a large repository.
Using the following command, you can check for these markers with file names & line numbers.
git diff --check
You can also use this command with your CI/CD setup to check for conflicts in your workflow as it exits with non-zero status if it finds any markers.