Images appear on desktop but don't on mobile (only in some posts)

Hello,

I have been using this theme for a couple years now and it’s perfectly fine.

Only in some posts, the images don’t appear on mobile

Example

and

Hi,

I’ve checked your site and all images on your post are displayed properly on desktop and mobile screen. Did you already resolve the issue?

Regards,
Awan

I just fixed it now!!

I sent myself the pictures by email and uploaded them using my mobile device!

I hope I don’t have to do that every time but at least it’s working for now!

Thank you!!