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: 20.04.2024 @ 15:03
Script: /board/thread.php?goto=nextnewest&threadid=761&sid=f6aceef666e25efbbbf4a757f3d41d74
Referer: