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 @ 05:33
Script: /board/forgotpw.php?sid=5200d4a7bb4e0e125e38f83a86969135
Referer: