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 @ 01:40
Script: /board/memberslist.php?sid=5f58ef1b628cee0177b1781754cc2e12
Referer: