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: 01.05.2024 @ 21:47
Script: /board/memberslist.php?sid=c5eafe9f6274d286b2172ceb860d47a3
Referer: