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 @ 19:54
Script: /board/usercp.php?action=options_change&sid=d60156cfa62203ad554477abe91d5afb
Referer: