SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: Too many connections
mysql error number: 1040
Date: 25.05.2024 @ 08:20
Script: /board.php?boardid=74&sid=e543c7a8be30a3e8112f0e0cad68f0f3
Referer: