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: 23.04.2024 @ 19:14
Script: /board/thread.php?goto=nextoldest&threadid=842&sid=855eb838dce1b7837fc674fbe72a33ee
Referer: