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: 28.03.2024 @ 09:30
Script: /board/thread.php?goto=lastpost&threadid=938&sid=f19605abedf5ae9833ebb1b89e184c69
Referer: