It seems the issue has been resolved by the Apple Engineers. A big thanks to them. I was able to assign the Organisation ID for the custom app.
dshirsat
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Singapore
Post
Replies
Boosts
Views
Activity
Has anyone managed to resolve it? been having the same issue for the last 2 weeks and get the same copy-paste reply from support.
I
Does anyone have a solution? Same problem.