GitHub Trigger Not Working

Github trigger returns There was a problem running the workflow: Github error response [404]: Not Found

To Reproduce
Steps to reproduce the behavior:

  1. Create a GitHub trigger for any repository that exists
    (I am trying with a repo in an organization that I am part of and I contribute to the repo)
  2. Run the workflow
  3. See error

Expected behavior
To execute the workfow as in this video https://www.youtube.com/watch?v=3w7xIMKLVAg

Environment (please complete the following information):

P.S:
I am sure I am trying with a repo that I am part of. I am a member of the organisation and contributor to the repo. What can be the issue here?

Have you checked if the webhook is created in github ?