My Item Flutter App Has Been Rejected without Know which Error

I got rejected when upload flutter item to codecanyon, show message first rejected like this:

First rejected message:
Here is the comment from your Envato Quality team reviewer:

Run ‘flutter analyze’ and fix all the problems.

I have been fixes all problem in flutter analyze, and i got rejected again like this:

Second rejected message:
Here is the comment from your Envato Quality team reviewer:

Still all the problems there.

When upload again to codecanyon, I got rejected with message like this:
Here is the comment from your Envato Quality team reviewer:

You are just spamming this item without making the fixes as previously required.
So, i dont know which error should i fixes. Please help me to fixes any error on my item.