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: 23.05.2015 @ 06:12
Script: /lifestyle/digital-world/buffy-chaos-bleeds_t6235/
Referer: