No Errors When iframe Fields Empty?

[tflight]

Testing on a dev site with the Woocommerce default theme, Storefront, and no other plugins except WooCommerce and this payment gateway plugin. All at their most recent versions. Observed with Chrome and Safari.

When the user gets to the checkout page, if they don't fill in all of the payment fields and they click 'Place order', no feedback is provided, nothing happens. This can be as simple as missing one digit from the credit card or not filling anything in to the Credit Card number, expiration date, and security code fields.

Nothing is logged to the js console indicating an issue and I don't see an XHR request being fired either.

The user has no hints as to what might be wrong, or that something went wrong. For fear of not placing duplicate orders, customers are hesitant to move forward with their order.

[vkobrenko]

This is indeed an actual issue for a long time (at least since version 2.1.1). Here is another related issue and PR:

• Error messages are not displayed in some cases #194
• Fixes an issue with error messages #195

[tflight]

@MSmedal could this be looked at? We have had a number of customers who have been unable to place orders. I have a number of other suggestions to make on how the UI of the payment fields could be improved, but this one is more critical.