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: 29.03.2024 @ 15:01
Script: /board/search.php?sid=0d71fae0f6c88eaec5bd93fc8dffa6b7
Referer: