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 @ 21:03
Script: /board/board.php?boardid=1&sid=8561a7a6307989ca302da70e2cfdecfd
Referer: