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 @ 13:05
Script: /board/memberslist.php?sid=9a1648dbbc8ce6a09e32098dbeab6f10
Referer: