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 @ 06:48
Script: /board/misc.php?action=faq&sid=2c2f70a57afee1a1c6423b8c8e1ccac8
Referer: