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: 29.03.2024 @ 01:48
Script: /board/search.php?sid=4dd766e08b5fb8d9dbce1b28bdfd0fec
Referer: