Request to payment service returned an error. Status Code: 400 with PayPal Pro

Customer have been unable to make purchases with their credit cards using PayPal Pro. Here is the error. Is the PayPal Pro integration broken?

“Error: Request to payment service returned an error. Status Code: 400\n at n. (payment.snipcart…/js/forms/checkout/paypal_card.js:8:111399)\n at payment.snipcart…/js/forms/checkout/paypal_card.js:8:109315\n at Object.next (payment.snipcart…/js/forms/checkout/paypal_card.js:8:109420)\n at a (payment.snipcart.com/js/forms/checkout/paypal_card.js:8:108158)\n\nError: Request to payment service returned an error. Status Code: 400\n at jt. (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:368375)\n at Object. (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:374589)\n at JSON.parse ()\n at Nt.i (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:374448)\n at Nt (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:374601)\n at Wt.u.on (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:378766)\n at Wt (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:378947)\n at cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:384159\n at r (cdn.snipcart…/themes/v3.0.29/default/snipcart.js:1:384205)”