Membership Purchase Keeps Showing null

After I add all my billing details and card numbers and click proceed, it shows a page with Thankyou note but after i logout and re- login it shows me to complete my purchase and takes me to the same cycle of re-entering all details And also to it, even after 48hrs also there have been no followups or anything not knowing if apple ever received my requests

Membership Purchase Keeps Showing null
 
 
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