Hello,
baby-shop demo version requires Massive Addons plugin, but we can’t install it http://prntscr.com/qb15v8 + https://prnt.sc/qb15hj
You need to solve this problem first. Because it is independent of our theme, we can’t help, unfortunately.
Reply back here, please, when this problem with image/plugins uploading will be fixed and we will help you to install the demo content.
Regards