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paymentSessionResolve return extensions cost error

sachinparmar222
Shopify Partner
10 0 2

Hello,

 

I have created a public payment app, and I am testing it on development store before making it live. I have covered all steps but when I hits paymentSessionResolve api.. it returns me the extension cost error https://prnt.sc/5Go3AlPR4OoC , How can I solve this error.. please help me if anyone know about this error.

 

Thanks!

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