What is the reason for the rejection of my project?

Hello, please help me

I recently uploaded a set of patterns to illustrator Envato rejected them due to “unfortunately we found it isn’t at the quality standard required to move forward” I created a file in I created a 1080 x 1080px file and ran my pattern.
Can you help me succeed in my next upload?


Any one cares to provide some pointers so I can improve my designs?!