Submission rejected

My first submission had been rejected. It says “we found it isn’t at the quality standard required to move forward”. What exactly made this rejected. Is it a submission requirement faiure? PLease help

Can you post a link to your product so that we can give you feedback

no. This usually means your item looks too bad and small changes will not result in publication.
You need to completely revise your item - take break and work further, studying mistakes