Github Page not working

Hello, I changed the name of my github page about a month ago and now it’s not working:

Hi @adam-goldstein, welcome to the GitHub Support Community! It looks like that repository has been renamed to match your GitHub username so it should now be online at :tada:

Hi can you help me please,

I have created a react website and tried to deploy it on gh pages but one pages loads without all the details on it and the button linked in the nav bar wont load and say 404 error.

link to page: My Portfolio
my github: saqib10661 · GitHub