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: 25.07.2016 @ 06:17
Script: /digital-nippon/news/sieger-des-anime-op-ed-tournaments-2010_t13892/seite-2/
Referer: