A trifold brochure has rejected. I don't know why?

Actually I did according the guide of envato. But don’t know why my design has rejected. Just has got this message:

Thank you for your submission. We have completed our review of “Trifold Brochure” and unfortunately we found it isn’t at the quality standard required to move forward, and you won’t be able to re-submit this item again.

I don’t know what is exactly their quality standard. Please, help me to clarify my issue.

Here are my designs:

Anybody is here?