So I’ve only started to take heed of this, taught it would go, seems a bit out there now. I saw a doc, she said I shouldn’t worried about it!
James if you are uploading images from a mobile phone or tablet type device the physical size of the file may be too large. Put your images on a Laptop, PC / Mac and physically make the images smaller then save as a jpeg, then you can drag and drop, copy and paste or link to the file using the “Insert Image” icon at the top of an active Text Box …