How do you fix this

[Zach457]

There was an issue processing your payment. Try again with a different payment method or check out as guest. …. Every time I try to purchase something while logged in to shop it says that so I can’t use my rewards 

[rajimulislamjoy]

It seems there might be a payment processing issue on your account. Have you tried reaching out to Shopify support for assistance? They should be able to help you troubleshoot this problem.