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 @ 19:19
Script: /board/newthread.php?boardid=5&sid=566aa782759482b4674d5110d18c01d5
Referer: