Git clone of a private repository, but it's Repository not found, why?

Question

git

maybe because there is one user in Windows, but on github they gave me access to the repository for my other account? how to solve the problem then?
or because I'm not added to the Contributors?
I try git clone via ssh - it gives out prntscr.com/ejry8j
I do it to check ls-remote, it also gives out that Repository not found. although it certainly is. and https I use

Answer 1

Another acc - another private key. Dig in this direction.