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 @ 21:55
Script: /board/board.php?boardid=8&sid=585c869a5b29a5ec270c463e8dd2ccdb
Referer: