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: 04.05.2024 @ 09:20
Script: /board/thread.php?goto=lastpost&threadid=923&sid=cc74a523b9cf8741dbe4e3fcfda75206
Referer: