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: 24.08.2016 @ 03:29
Script: /lifestyle/digital-world/sengoku-basara-samurai-heroes_t11866/
Referer: