After activation theme Onion my posts are dont shows

HEllo. I bought onion theme and after installation and activation all my posts are invisible. If i change to another theme then ok everything is there.
So what is the problem?

I reinstall again Onion theme i saw some posts but i have error that i need to return footer links, BUT they ARE there I DIDNT removed anything.
Now again i activate them and the same thing! I cannot see any posts, nothing!

It says "Settings for smthemes hasn't been reading" what does it mean?

Hi! Could you give us URL to your website?