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 @ 05:19
Script: /board/print.php?threadid=951&page=1&sid=626741f597b345b7f6fbe54e521fec09
Referer: