Changes to Paypal Payments Standard in March 2017

If you’re getting this warning message in your ZenCart checkout using Paypal Payments Standard, fear not! ┬áThere issue is just that Paypal is no longer using commas in the payment amount, and there’s a fix for it. ┬áThe options are described in the Zen Cart forum thread PayPal deleting the comma from PayPal Standard in Jan 2017.