Nine times out of ten the email used at checkout is different from your sign-in email here (Apple Pay and browser autofill cause this). Your payment is safe and this is fixable in a couple of minutes. Follow the step-by-step fix.
Access & Billing
I paid on Whop but the site says I am not a member
Almost always an email mismatch between checkout and sign-in. Your payment is safe, and here is the two-minute fix.