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 @ 07:15
Script: /board/search.php?action=user&userid=53&sid=08602d2056ef9825c72c123f5bf9d304
Referer: