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: 25.04.2024 @ 23:59
Script: /board/thread.php?goto=lastpost&threadid=761&sid=f103d89052f2223cf42629422c1181af
Referer: