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: 16.04.2024 @ 23:45
Script: /board/search.php?action=24h&sid=e0a3d9fdfecd880dbf880aa4074fe333
Referer: