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: 5.2.6-1+lenny9
Date: 08.09.2010 @ 18:02
Script: /Board/thread.php?goto=lastpost&threadid=4685
Referer: