Expositio (& qTranslate)

Hi,
I’m using the Expositio Theme and got quite far with it.
I was working with the polylang-plugin so far, but then changed to qTranslate as it seems easier to add new content with it.
Problem is, now the main pages are not displayed anymore. I see the sidebar, I can click on it, I see the address bar address change, but no content.
Also If I switch to the twenty eleven theme I can see all contents.
Do you think this is a theme or plugin problem? where should I start looking?
Thank you very much for any help you can provide!
I unfortunately can not give you the link as the whole thing is not properly online yet, but please let me know if there is any further information i could give you!
Thanks!