I can't create a site on GitHub pages. what could be the problem?

Question

GitHub

Good afternoon, I'm trying to share the site I'm creating on github pages. I do everything according to the instructions. there is a user jointle00
created a repository jointle00.github.io
but when you go to the jointle00.github.io page it says that such a site does not exist

Answer 1

jointle00.github.io/{REPOSITORY_NAME}

Answer 2

https://github.com/search?utf8=%E2%9C%93&q=jointle00
No such user

Answer 3

Have you solved the problem? I also do not create.