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: 31.07.2016 @ 07:26
Script: /lifestyle/tv/road-runner_t6039/drucken/
Referer: