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 @ 10:37
Script: /board/board.php?boardid=10&sid=a6b5b69af02a6fa2976804bc78564142
Referer: