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 @ 20:29
Script: /board/newthread.php?boardid=6&sid=0e486685f4e92bf147447b589d16b25c
Referer: