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: 27.04.2024 @ 02:58
Script: /board/misc.php?action=viewip&postid=15082&sid=aef37b3fb272493c4086550fdf3fa15b
Referer: