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 @ 06:55
Script: /board/misc.php?action=viewip&postid=11775&sid=dce2d658fa4a5dedc30ab757424b9efd
Referer: