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: 5.4.34-0+deb7u1
Date: 26.11.2014 @ 08:29
Script: /Sido_-_Eine_Hand_W%E4scht_Die_Andere-11_Review.html
Referer: