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: 29.03.2024 @ 00:58
Script: /board/search.php?action=user&userid=1&sid=b7ba5c8717ca4ccbc2b56249cc1f0d2e
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