Feedback for rejected track please

Hey guys,
my first submission was rejected, personal no big deal for me :wink:
But I would like to understand why and maybe some of you can check the track.
Composition or mixing failed?
Link to Song

AJ message was like:
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.
This item does not meet the general commercial quality standard required to be accepted on AudioJungle, unfortunately.

Thanks for feedback and advices.