Stylekit for LayersWP

I create stylekit for framework LayersWP, when I try uploading if in category WordPress I get error

  • WordPress Theme ZIP must contain index.php within Stylekit
  • WordPress Theme ZIP must contain style.css within Stylekit

but in https://help.author.envato.com/hc/en-us/articles/360000472223-Layers-WordPress-Style-Kit-Submission-Requirements write that its dosnt need.

Question: how upload stylekit?