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: 19.04.2024 @ 00:50
Script: /board/print.php?threadid=22&page=1&sid=49dfe65a172b3798e7d20625bde7e27b
Referer: