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: 5.3.2-1ubuntu4.27
Date: 23.12.2014 @ 06:07
Script: /lifestyle/digital-world/mafia-2_t11368/
Referer: