Unable to make a subscription in the sandbox environment.

Hi,

I am not able to make any purchases in the sandbox environment and am getting the following error. Can someone please help me understand where the issue is?

<SKPaymentQueue: 0x300d31ca0>: Payment completed with error: Error Domain=ASDErrorDomain Code=500 "(null)" UserInfo={client-environment-type=Sandbox, storefront-country-code=IND, NSUnderlyingError=0x300396ee0 {Error Domain=AMSErrorDomain Code=305 "Purchase Failed" UserInfo={NSLocalizedDescription=Purchase Failed, AMSURL=https://sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy?guid=00008030-001D282A2E42402E, AMSStatusCode=200, AMSServerPayload={ "cancel-purchase-batch" = 1; customerMessage = "Unable to process your request."; dialog = { defaultButton = ok; explanation = "Please try again later.\n\n[Environment: Sandbox]"; initialCheckboxValue = 1; isFree = 1; "m-allowed" = 0; message = "Unable to process your request."; okButtonString = OK; }; failureType = ""; "m-allowed" = 0; metrics = { actionUrl = "sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy"; asnState = 0; dialogId = "MZCommerce.SystemError"; eventType = dialog; message = "Unable to process your re"; mtEventTime = "2024-08-06 04:47:27 Etc/GMT"; mtTopic = "xp_its_main"; options = ( OK ); }; pings = ( "https://xp.apple.com/report/2/xp_its_main?code=MZCommerce.SystemError&buttons=OK&baseVersion=1&dsId=21818342290&eventVersion=1&storeFrontHeader=143467-2%2C29&eventTime=1722919664789&eventType=dialog&message=Unable%20to%20process%20your%20re" ); },

Unable to make a subscription in the sandbox environment.
 
 
Q