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 @ 12:05
Script: /board/print.php?threadid=951&page=1&sid=c52832ebdc3e50923371265b2045b1c1
Referer: