How to complete the payment for developer program?

I generated a payment mandate but cancelled it, and now I am trying to make a payment from the last 3 days. This is saying contact support. It's been 3 days since raising these concerns to developer support. Can someone please help me with this?

Hello,

It appears that your issue was resolved by Developer Support. If you need assistance, please reply back to the most recent email which they have sent to you.

Note: We do not provide support for account-specific issues in the Developer Forums

How to complete the payment for developer program?
 
 
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