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 @ 12:21
Script: /board/newthread.php?boardid=13&sid=2e805194670704cc2986ac171ae9a114
Referer: