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: 28.03.2024 @ 18:22
Script: /board/index.php?sid=0113d51c35c6b7db8f594be3e6c1bda7
Referer: