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: 29.08.2016 @ 03:50
Script: /anime-manga-japan/manga/carlsen-chibi-mangas_t3647/
Referer: