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 @ 09:31
Script: /board/memberslist.php?sid=dde7437d8e877abaa49936b4f51d7eba
Referer: