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: 25.04.2024 @ 00:45
Script: /board/forgotpw.php?sid=eb885d53db8190b3e32d15042dd101d4
Referer: