XCode Build for release

Hello everyone, i'm developing an app with Flutter. Now i want to publish it on Apple Store.

I'm using XCode for the publication. I'm going on Product -> Archive and Archive Succeeded but Archives prompt does not opened. So i'm going on Window -> Organizer and the result is below. What am i missing? How to fix it? Any idea what the problem might be? Thanks a lot to whoever will help me!

XCode Build for release
 
 
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