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 @ 16:45
Script: /board/print.php?threadid=651&page=1&sid=8dbe0a8157aa011766297e1d85654319
Referer: