Rejected Item on Codecanyon without any explanations or screenshots - PHP

We have received following email regarding our Codecanyon item - Language Translation
“Thank you for your submission. We have completed our review of “Application name” 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.”
It has no screenshots or any reason attached.
Please let me know what is wrong.
Here is the demo : - Login
Password: 123456

Please Check the “Translation” menu item in left sidebar.
This is our whole concept of changing language keys.