Try this:
In cPanel ( http://fris.x10hosting.com:2082/ ), click on Remote SQL.
Add these entries to the list:
int.fris.x10hosting.com
69.175.6.94
Clear your cache and load your site again.
EDIT: what happens when you try to go to cPanel? Use the link I have above.
It looks like your account was probably terminated for inactivity.
You are welcome to create another hosting account at http://x10hosting.com/signup.php
Just note to login here once every 31 days or purchase a $3 inactivity timer which lasts a year.
This is a problem the admins are aware of.
You will be transferrd to a new server soon: http://x10hosting.com/forums/news-announcements/129078-important-update-all-free-hosting-users.html
Please read and follow instructions as necessary: http://x10hosting.com/forums/free-hosting/129137-attention-please-read-regarding-boru-mysql-databases.html
There is no account under mtailz.
If you haven't logged in here for 31 days, your account would've been suspended for inactivity. Suspended accounts are deleted after 14 days.
What was the domain you were using?
This is a MySQL error that the admins are aware of.
You will soon be moved to a new server. Please read: http://x10hosting.com/forums/news-announcements/129078-important-update-all-free-hosting-users.html