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: 18.04.2024 @ 22:40
Script: /board/misc.php?action=faq&sid=80d021fb89bb5128ad618cffaa55a054
Referer: