Program has more than one entry point defined. Compile with /main to specify the type that contains the entry point.

[Am199503]

Hi
i am trying to print pdf but it's giving me issue,
Please help

`using QuestPDF.Drawing;
using QuestPDF.Fluent;
using QuestPDF.Helpers;
using QuestPDF.Infrastructure;
using System.Diagnostics;

namespace ErpOneCore.Controllers
{
// #region constructor
[SessionTimeout]

public class InvoiceDocument : IDocument
{

/* code omitted */
 public InvoiceModel Model { get; }
 static  private QuestRepository QuestRepository;

public InvoiceDocument(InvoiceModel model)
{
    Model = model;
}

public DocumentMetadata GetMetadata() => DocumentMetadata.Default;

public void Compose(IDocumentContainer container)
{
    container
        .Page(page =>
        {
            page.Margin(50);
        
            page.Header().Element(ComposeHeader);
            page.Content().Element(ComposeContent);

                
            page.Footer().AlignCenter().Text(x =>
            {
                x.CurrentPageNumber();
                x.Span(" / ");
                x.TotalPages();
            });
        });
}

void ComposeHeader(IContainer container)
{
    var titleStyle = TextStyle.Default.Size(20).SemiBold().Color(Colors.Blue.Medium);

    container.Row(row =>
    {
        row.RelativeItem().Column(column =>
        {
            column.Item().Text($"Invoice #{"12000"}", titleStyle);

            column.Item().Text(text =>
            {
                text.Span("Issue date: ", TextStyle.Default.SemiBold());
                text.Span($"{"4/5/22":d}");
            });
            
            column.Item().Text(text =>
            {
                text.Span("Due date: ", TextStyle.Default.SemiBold());
                text.Span($"{"4/4/20":d}");
            });
        });

        row.ConstantItem(100).Height(50).Placeholder();
    });
}

void ComposeContent(IContainer container)
{
    container
        .PaddingVertical(40)
        .Height(250)
        .Background(Colors.Grey.Lighten3)
        .AlignCenter()
        .AlignMiddle()
        .Text("Content", TextStyle.Default.Size(16));
}
 static void Main(string[] args)

{
var filePath = "invoice.pdf";

var model =  QuestRepository.detailsq();
var document = new InvoiceDocument(model);
 document.GeneratePdf(filePath);

Process.Start("explorer.exe", filePath);

}
}
}`

[girlpunk]

You have another class in the project that defines static void Main(string[] args). This isn't a QuestPDF error, but comes from the c# language itself. See Microsoft's documentation on the error and the Main() function in general for more information.