Why do I obtain this error when deploying app to Heroku?

Question

I am getting some kind of error when deploying my app to heroku using git hub. The problem is, I don\'t understand the heroku logs and the entailing errors. Here is the hero

Answer 1

My silly mistake was that I was pushing the master branch to Heroku while my changes were in another branch!

Make sure that you merge your latest branch with your master branch first

> git checkout master

> git merge your-latest-branch

> git push heroku master