Help me understand why they rejected item

Listen, please.

What’s my mistake? I received such a letter:
Thank you for your submission. We have completed our review of “Summer” 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.

Here is the comment from your Envato Quality team reviewer:

This item does not meet the general commercial quality standard required to be accepted on AudioJungle, unfortunately.

We appreciate the effort and time you’ve put into creating your item. And we’d be happy to help make sure your next entry will meet our submission requirements. Here’s our advice:

Visit our forums and ask fellow authors for feedback. Our helpful community will be glad to lend a hand.

Check out this Help Center article to understand why and how items get rejected.

Remember you can get help, in the form of tutorials or skilled professionals, on Envato Tuts+ and Envato Studio.

We hope to see a new submission from you soon!

Thank you in advance.

Hello. What happened to me is that I got tired of the pluck melody. It just repeats all across the track. You could have kept the same chord progression with another melody on top (or no melody) and leave the one you have for the chorus. Maybe its that, it needs variation. You need to rest from the melody in order to not being tired of it and actually enjoy it. I enjoy it the first 30 seconds . Is just my opinion by the way. Keep making music !!

Thanks for the feedback