Why is my order total changing on checkout?

[Samyakjain]

@Omumsie

Hi, Need urgent HELP, I am selling on shopify since an year, suddenly seeing this error.

Your payment couldn’t be processed because your order total has changed. Check your order total and try again.

Also on Prepaid payment page showing- Requested payment method not available.

however the COD payment is normal and is working on same order value and discounts.

please help me asap with this, loosing a lot of sales.

Hey, I’m facing the same issue can you please let me know how to resolve it if you got any solution?