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 @ 07:38
Script: /board/print.php?threadid=842&page=1&sid=d4ab5fdb0ed12a6f679650b048d1e80c
Referer: