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: 26.04.2024 @ 02:22
Script: /board/search.php?sid=c6b3c0fd3fc17c9ed52e0fc24f2571ae
Referer: