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 @ 01:15
Script: /board/memberslist.php?sid=49d1ff9fc75269473ede7fb2c4ad528c
Referer: