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: 24.07.2016 @ 06:49
Script: /anime-manga-japan/anime-a-l/another_t15721/seite-7/
Referer: