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 @ 09:27
Script: /board/misc.php?action=viewip&postid=14807&sid=4ea2ecb2cadd4f39bafe23702957fbb9
Referer: