Read DXF file , draw line, Add Text and save it in dxf format

Tring to read DXF file , draw line, Add Text and save it in dxf format.
After saving the file it’s not visible in https://viewer.autodesk.com/
DXF Error.jpg (122.9 KB)

public void SaveDXF()
{
var timestamp = DateTime.Now.ToString(“yyyyMMddHHmmss”);
//Create Image instance and initialize it with an existing image file from disk location
using ( Image image = Image.Load(@“Dwg\Selected\conic_pyramid.dxf”))
{
string strLayoutName = string.Empty;
Aspose.CAD.FileFormats.Cad.CadImage cadImage = (Aspose.CAD.FileFormats.Cad.CadImage)image;

            CadText cadText = new CadText();
            cadText.StyleType = "Standard";
            cadText.DefaultValue = "Test Text";
            cadText.LineWeight = 8; 
            cadText.FirstAlignment.X = 15;
            cadText.FirstAlignment.Y = 10;
            cadText.TextHeight = 0.2;
            cadText.ScaleX = 0.0;

            //cadImage.BlockEntities["*Model"].AddEntity(cadText);
            CadLine line = new CadLine(new Cad3DPoint(0, 0, 0), new Cad3DPoint(100, 100, 0));
            line.ColorId = 150;
            // Change the type of cadImage.Entities to List<CadEntityBase>
            List<CadEntityBase> entities = new List<CadEntityBase>();
            // Add the line to the entities collection
            entities.Add(line);
            entities.Add(cadText);
            // Assign the entities collection to cadImage.Entities
            cadImage.Entities = entities;

            DxfOptions options = new  DxfOptions();
            options.TextAsLines = true;
            options.ConvertTextBeziers = true;
            options.BezierPointCount = 20; 
            cadImage.Save($"output\\{timestamp}_SaveInDXF_WithText.dxf", options);
            }
        }

@jay100das,
Hello.
Could you please provide the initial DXF file as well?