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: 18.04.2024 @ 05:23
Script: /board/memberslist.php?sid=2ec385b9dce6016ecdcfad64d496b327
Referer: