SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Link-ID == false, connect failed
mysql error: Too many connections
mysql error number: 1040
mysql version: unknown
php version: 4.4.0
Date: 05.09.2005 12:12
Script: /wbb2/board.php?boardid=1
Referer: http://www.r-l-x.de/wbb2/index.php