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: 24.04.2024 @ 07:26
Script: /board/thread.php?threadid=842&sid=476b11baeda5b95b1e426adc399ca8c5
Referer: