Hard reject reason

vectors
item-feedback
graphics

#1

Hi, everyone,
a few days ago i uploaded some textures made in adobe illustrator, but after the staff check they has been rejected:

Thank you for your submission. We have completed our review of “Low poly textures pack (5 elements)” 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.

What they mean? I’m confused.