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 @ 11:44
Script: /board/profile.php?userid=53&sid=0587e03a8a0ecba1581a2356f5e5bb6b
Referer: