What's "quality standard required" for project laravel?

I have some problem with rejected my project with “quality standard required”. And now I can’t re-submit this project like this word “you won’t be able to re-submit this item again.”.
So what’s problem into my project?
This is a demo: https://bitrocket.me/
With login: demo@bitrocket.me || admin123
demouser@bitrocket.me || demouser123

Thank you

How solution for this project got approved?