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com.aspose.imaging.coreexceptions.ImageSaveException

I tried to convert emf to png, it throws class com.aspose.imaging.coreexceptions.ImageSaveException: Image export failed. —> class com.aspose.imaging.internal.Exceptions.ArgumentOutOfRangeException: Non-negative number required.
Parameter name: value

Hello, @DiDiDiDiDi
Could you attach the sample causing the exception? We need to explore the issue using your EMF sample to provide a feedback.