Unable to select build from testflight

Hi, I am trying to publish an update to my app, with security update which is a critical one, and to be published before Aug 2nd. I have uploaded required document for DSA, and it us under review.

A build was uploaded to testflight and all process under QA is completed. Now I am trying to push the same build to publish as next version. I am unable to select the build from Testflight , which is valid for 58 more days. The radio button seems to be greyed out/disabled. Is it because documents of trader proof is still in review ? If not, What could be other reasons ?

Please help to resolve this as we do not have much time left for publishing an update.

I'm not familiar with DSA however from a usual process — was the distribution method set correctly when uploading the new build? If the method was 'TestFlight Internal Only', it will be greyed out

https://developer.apple.com/documentation/xcode/distributing-your-app-for-beta-testing-and-releases#Select-a-method-for-distribution

Unable to select build from testflight
 
 
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