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: 01.05.2016 @ 06:11
Script: /lifestyle/digital-world/touhou-project-project-shrine-maiden-reihe_t5030/
Referer: