'cloud9 advice please>Git push origin master authentication failed on

I am a semi new into this environment just transit from help-desk ,I have question relate to a issue about git push origin master on cloud9 AWS i am following a course on upskillcourses.com lesson 59 - SSH Keys Will Link Cloud9 to GitHub i did ALL was required until i get into the part that i must enter in cloud9 aws the Git push origin master i get a failed authentication as you can see on the screen shot i made I follow the tips from the community i have add my user and token on my window credentials but nothing works.

Could somebody kindly advice me here?

screenshot from the bash screen

authenticationaws-cloud9


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