SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: The server requested authentication method unknown to the client
mysql error number: 2054
Date: 28.03.2024 @ 19:31
Script: /board/thread.php?threadid=493&sid=7005ac0d76bc744fa594df3d45b0678d
Referer: