Paypal payments pro Hosted on my site has been working fine until now.
Today, I’ve tried to invoice a paypal payment and the error which is coming back from the API is
Exception’ with message ‘PayPal response hasn’t required fields.’ Mage_Paypal_Model_Api_Nvp.php:984
I’ve setup the payment debug paypal_payment_express.log and there’s nothing obvious going wrong here.
I first noticed this problem when an order was placed and there was no transaction ID present against the payment.
I’ve been onto my ISP and they inform me they have not made any changes.
I’ve double double checked and changed the api credentials, so it’s not that.