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 @ 01:00
Script: /board/thread.php?goto=lastpost&threadid=951&sid=ea5623dbcca52cac219f3f34a52ae2a7
Referer: