Question : why images are absent after copy/pasting slides from one pptx to another?

Hi all
When I paste some slides with images from one pptx (on my hard drive) to another (ditto), here is what I get:

Thanks !

Hello @arcqus

Unfortunately, I wasn’t able to reproduce the issue with given description.
Is it possible to create a test presentation to share with us and provide a step-by-step scenario on how to reproduce the issue?