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: 08.05.2024 @ 21:28
Script: /board/thread.php?goto=lastpost&threadid=930&sid=f19605abedf5ae9833ebb1b89e184c69
Referer: