AE Project rejected

Hi friends,i submitted a AE Template and it got rejected,i dont know why,and its my first attempt,so i really dont know much about the formalities,i followed the instructions in the site,but i dont know what went wrong,i am uploading a preview here,please if anyone can help,it will be very helpfull…01_preview102_preview203_preview3

happened the same to a friend 3 times, the best thing is to buy an AE project already submitted and see what he is doing.

The background looks flat in terms of lighting.Try to use a hdr map for lighting background