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: 26.04.2024 @ 09:18
Script: /board/thread.php?goto=lastpost&threadid=932&sid=8b1d745615d02c8a94adc6cfeccc77f6
Referer: