https://forum.groupdocs.cloud/t/object-reference-not-set-to-an-instance-of-an-object/1569/2
I’m unable to attach my pptx slides, it says i can only attach images.
I have however managed to get the join to work, but all…...but all the slides have their master slide size changed to 4:3 opposed...but all the slides have their master slide size changed to 4:3 opposed...