Can't access site

[Meishin]

Just as I expected, you screwed up your site.

Domains needs to be registered in the hosting system before they can be used anywhere. WordPress is by no means linked to the hosting, changing them inside WordPress doesn’t register them to the system.

As you have created an account with that domain you’ve made everything more nasty, but it’s still possible to fix it.

1. Remove the domain from the newly created account. Don’t deactivate the new account, that’ll make things even worse.
2. Forget about the new account.
3. Add the domain to your existing hosting account.
4. Follow this guide to move your website into the new place:

How to move a website to a different directory

Every website is linked to a certain htdocs directory on your account. But sometimes you need to move a website from one htdocs directory to another. This may be necessary if: You are moving to a different domain name (e.g. a free subdomain to a custom domain). You have recreated your domain name and it was assigned to a different directory. Fortunately, there is no need to rebuild your website from scratch. It’s not difficult to move your website from one directory to another. How to move a…