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: 16.04.2024 @ 18:12
Script: /board/profile.php?userid=23&sid=2daf352d2cd4548091c2da21670ca0c2
Referer: