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: 26.04.2024 @ 03:59
Script: /board/print.php?threadid=761&page=1&sid=f03cfbbcb094f23434cfa8e50933013e
Referer: