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: 24.04.2024 @ 23:27
Script: /board/profile.php?userid=1&sid=01de2dd2a65fbb43d7966cf88b54722b
Referer: