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: 19.04.2024 @ 01:45
Script: /board/usercp.php?action=buddy_list&sid=1f975516c57609258a3449e6df1bad56
Referer: