老師，您好，我在Package Manager Console數據庫遷移時提示如下錯誤：A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SNI_PN11, error: 50 - Local Database Runtime error occurred. 無法創建自動實例。有關錯誤詳細信息，請參閱 Windows 應用程序事件日志。,請問如何解決。