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: 23.04.2024 @ 14:13
Script: /board/profile.php?userid=1&sid=eb0cbf7501e78c016d571c43341c73fa
Referer: