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: 4.4.9
Date: 20.05.2024 @ 14:03
Script: /wbb2/misc.php?action=faq&sid=2c84d0c217cc9cf1e1c3c7ec2cbeb44b
Referer: