Checkout Error - admin-ajax.php

[rickalee]

Getting odd response after checkout. 2.1 beta 2 as of Jan 9.

[mikejolley]

Check beta 3, but also ensure its a core gateway. Gateways need compatibility updates because the 'pay' page no longer exists. They need to change their redirect from get_permalink to $order->get_checkout_payment_url( true );

[rickalee]

Appears to be resolved after updating to PayPal Pro 3.3.0. Thank you sir.