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: 26.04.2024 @ 23:30
Script: /board/thread.php?goto=nextoldest&threadid=932&sid=4fe5cce55270ecc82416a97bb72f438d
Referer: