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: 5.4.45
Date: 23.04.2018 @ 03:52
Script: /calendar.php?sid=6d2b3f74b791ba6aa0a651c1be2600db
Referer: