Purchase Error

gistfile1.txt

Error Domain: SKErrorDomain
Error Code: 0
NSLocalizedDescription: An unknown error occurred
NSUnderlyingError:
  Error Domain=ASDErrorDomain
  Code=500 "(null)"
  UserInfo = {
    NSUnderlyingError=0x600000e20210 {
      Error Domain=AMSErrorDomain
      Code=305 "Purchase Failed Server canceled the purchase"
      UserInfo = {
        NSDebugDescription=Purchase Failed Server canceled the purchase,
        AMSFailureReason=Server canceled the purchase,
        AMSURL=https://sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy?guid=849437E8CABA,
        AMSDescription=Purchase Failed,
        AMSStatusCode=200,
        AMSServerPayload = {
          "cancel-purchase-batch" = 1;
          customerMessage = "Unknown http error_message";
          failureType = "'";
          "m-allowed" = 0;
          pings =
        }
      }
    }
  }