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 @ 15:43
Script: /board/index.php?sid=dac97f1e140a76f6a5fec4121e4f3ccd
Referer: