CICD Pipeline(Heroku)Yml, error

[Prashanth Patelc]

I am hosting my app in Heroku using CICD Pipeline 

I am getting this error .Please help to solve this issue.

Already up to date.

43Everything up-to-date

44fatal: couldn't find remote ref main

45Error: Process completed with exit code 1.

This is my yml file

=================

name: Django CI
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- run: |
	git fetch --unshallow origin
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install Dependencies
	run: |
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Run migrations
	run: python manage.py makemigrations
	- name: Run migrations
	run: python manage.py migrate
	- name: Run Tests
	run: |
	python manage.py test
	- name: Add remote origin
	if: github.event.ref == 'refs/heads/main' && job.status == 'success'
	run: |
	git remote add heroku https://heroku:${{ secrets.HEROKU_API_KEY }}@git.heroku.com/${{ secrets.HEROKU_APP_NAME }}.git
	- name: Deploy to Heroku
	run: |
	git config --global user.email "my ema...@some.com"
	git config --global user.name "Prashanyh"
	git config --list
	git prune
	git remote add upstream projecturl
	git pull origin main
	git push origin main
	git pull heroku main
	git push heroku main
	git fetch upstream