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 @ 09:30
Script: /board/search.php?searchid=25813&sid=aa0a306ee224700f2236bf88fc87d78e&page=2
Referer: