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: 16.04.2024 @ 06:22
Script: /board/markread.php?sid=d2bb213cc209a44edfab6ffad4d2cf8b
Referer: