exception on Ubuntu dotnet6.0

[xinyu391]

Environment: Ubuntu 22.04, dotnet6.0.100 sdk : Bin/net6.0 Aspose.PDF_22_6.zip (dll only) code:

using System;

using System.IO;
using Aspose.Pdf;
using Aspose.Pdf.Text;

namespace pdf_toolbox
{
    public class NumberPdf{
        public void doNumber(){
            Console.WriteLine("numberPDF....");
            Document doc = new Document();
            Page page = doc.Pages.Add();
            page.Paragraphs.Add(new Aspose.Pdf.Text.TextFragment("Hello World!"));
            doc.Save("HelloWorld_out.pdf");
        }
    }
}

log exception:

numberPDF....
Unhandled exception. System.ArgumentNullException: Value cannot be null. (Parameter 'key')
   at System.Collections.Generic.Dictionary`2.FindValue(TKey key)
   at System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value)
   at #=ztrFjUrbJYJ47NcR$8LZPthQIUnYfExa7Gg==.#=zJGcmwbM=(#=z8S5r434= #=z844B2I8=)
   at #=z2ZQc$Jcr34z9F64PqOoAxo6zJGdn_ZZShQ==.#=zYasEy4MKvAnG`2.#=zVigH4Ju$VQvV(#=z8S5r434= #=z844B2I8=, #=zmDMNKIw=& #=ztxptzkQ=)
   at #=zQ_oajpj9GYnwC_x_$CeW5sq5gwYzvZnJTeNLm28=.#=z1VnSO5vegSOD(#=zD4i4y_M$HiiP_8I17jzHejk_l_WY #=zyphWEqwLFT3f)
   at #=zFLKHFi4q9yQT1s7qN9F3Pv5T0nRo0qWzQmpbNnoq3YDi.#=zZyoz9Osy_H4G()
   at #=zFLKHFi4q9yQT1s7qN9F3Pv5T0nRo0qWzQmpbNnoq3YDi.#=zMO8ucBo=()
   at #=zQJkE9Lf6vNZzWxdK0PxKoHTE9hWkASZ5zNdndNZOH$KI.#=zDsDANj0=(#=zIrdqJtR4jlHtd_Q9LhynyGAYkowV #=zQ$qH$4U=, #=zLS0bXYESTwt6s9O9ge8mOCQdQu2XgiesZQ== #=zk6jw8Bs=, #=zk_baTkeGsSyYK2fUlwbWQSTWwiuje5rVhDZznXUVXMgE #=ziSVaJls=)
   at Aspose.Pdf.Page.CalculateContentBBox()
   at Aspose.Pdf.Page.#=z1bMZ4IQ=(Page #=zk6jw8Bs=)
   at Aspose.Pdf.Page.#=zSmp$qf7iRTeUfaT1ow==()
   at Aspose.Pdf.Document.ProcessParagraphs()
   at Aspose.Pdf.Document.#=zG7VhpvNMzChd(Stream #=zB8p3Dxo=, SaveOptions #=zsRZvAOZNkW4o)
   at Aspose.Pdf.Document.#=zFx2Xbgl0fHER(String #=zu4ufdYNMrcDG)
   at Aspose.Pdf.Document.Save(String outputFileName)

It doesn't support net6.0 ?

[xinyu391]

Is anyone there?

[gregfullman]

I'm seeing this behavior as well

[asadalikhan90]

@xinyu391 @gregfullman

We apologize for the delayed response. Please note that we recommend and encourage posting such issues in our official support forum where you can track the issue resolution progress appropriately. Nevertheless, could you please try using Aspose.PDF.Drawing package from Nuget instead of Aspose.PDF? In case issue still persists, please create a post in Aspose.PDF Support Forum as requested before and we will assist you there accordingly.