I have the same issue, 1 out of 5 Paypal Express orders are failing. When they fail we get emails saying,
“Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs sent to the following URL(s) are failing: 0”
I spoke with Paypal over the phone, they confirmed that the IPNs for our Paypal account are still turned off, but he said the issue may likely be caused with something in the back end of our store still having IPNs turned on and trying to ping that info with Paypal when it’s turned off with them.
I couldn’t be more lost. Has anyone fixed this?
