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ASP.net core 2.2 exception not supported

Hi I have just upgraded to asp.net core 2.2 and started getting an error
System.PlatformNotSupportedException: System.Drawing is not supported on this platform.
at System.Drawing.Bitmap…ctor(Int32 width, Int32 height, PixelFormat format)
at Aspose.Slides.Slide.GetThumbnail(Size imageSize)
Using Aspose.Slides for .NET 18.11.0


I have observed the issue shared by you and request you to please share the sample project with us along with source presentation reproducing the issue. We will be able to investigate the issue further on our end on provision of requested information.