How to make Order with Parallel Express Checkout in Paypal?

Question

How can we place "Order" for parallel transactions in Express Checkout?

I set

PAYMENTREQUEST_0_PAYMENTACTION = Order
PAYMENTREQUEST_1_PAYMENTACTION= Order in SetExpressCheckout and then in DoExpressCheckoutPayment. but it gives error "Internal Error"

PAYMENTINFO_1_ERRORCODE] => 10001
[PAYMENTINFO_1_SHORTMESSAGE] => Internal Error
[PAYMENTINFO_1_LONGMESSAGE] => Internal Error
[PAYMENTINFO_1_SEVERITYCODE] => Error
[PAYMENTINFO_1_ACK] => Failure
All is fine until DoExpressCheckoutPayment
why this internal error is coming?
Thanks in advance

Answer 1

For

PAYMENTREQUEST_0_PAYMENTACTION = Order PAYMENTREQUEST_1_PAYMENTACTION= Order 

in

SetExpressCheckout and then PAYMENTREQUEST_0_PAYMENTACTION = Order PAYMENTREQUEST_1_PAYMENTACTION= Order 

in DoExpressCheckoutPayment, "Internal Error" came in DoExpressCheckoutPayment response

Because I used personal account id in PAYMENTINFO_0_SELLERPAYPALACCOUNTID and PAYMENTINFO_0_SELLERPAYPALACCOUNTID.

So these parameters must have paypal Business account ids. (in my case the error was because of wrong usage of paypal accounts where there must be Business accounts ).

Thanks