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 @ 02:08
Script: /board/markread.php?sid=a3a6882e8d1b208379ddef6227d206d8
Referer: