Carbonize wrote:Did you do a backup of your SQL database and transfer it to the new server?
 
 As to your error you need to change the information in admin/config.inc.php to reflect the MySQL server information on your new server.
		
 
 No, i did not take backup of my SQL database, but i get a databasedump from my old host. May it will help?
 
 I am sorry, but i dont undertand how i can get back the guestbook, so i have to get someone to help me.