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 @ 20:13
Script: /board/profile.php?userid=1&sid=8b1d745615d02c8a94adc6cfeccc77f6
Referer: