Our code uses com.aspose.slides.ISlideCollection#addClone(com.aspose.slides.ISlide) to merge multiple pptx files, and then uses com.aspose.slides.Presentation#Save(java.lang.String, int) to Save the merged file. This log…...The Saved Result of a PPT Document Occasionally Becomes Empty...Presentation#save(java.lang.String, int) to save the merged file...