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 @ 01:56
Script: /board/memberslist.php?sid=889e92b3c96ee2356698932c9f9fc1ec
Referer: