First web-site: http://amazing-forums.x10.mx/The-technological-greek-forum/

Displaying:Database Error: Unable to connect to the database:Could not connect to MySQL

Second web-site: http://amazing-forums.x10.mx/forum/

Displaying:General Error
SQL ERROR [ mysql4 ]

Too many connections [1040]

An sql error occurred while fetching this page. Please contact an administrator if this problem persists.

How to fixed this errors?

thank you for supported :-)