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: 5.3.2-1ubuntu4.28
Date: 31.07.2016 @ 09:21
Script: /mitglieder/spike_u1127/sammelalbum/quest_a4559/
Referer: