Auth failed when i try to push my code to repo

[MLangeEU]

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I have the following problem that every time I try to push my code to a repo via SSH, I get an error message (picture at the end of the post).
I followed the instructions but it didn't work. I also generated a new SSH key, but it still doesn't work.

I hope this information is sufficient to solve the problem.

Picture of the problem

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