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 @ 19:20
Script: /board/profile.php?userid=1&sid=b378022a212af5aa528d56af8da3649d
Referer: