Hi @MichaelNorville I'm sorry to hear that you're seeing some errors on the Inline Guest checkout. I've been seeing a few complaints on this checkout option. There may be a few different factors happening here. 1- I have seen this fail with some extensions installed an enabled in the web browser, ad/script blockers have been causing this error to be returned. You can try the checkout with extensions disabled in the browser to see if it fails 2-Some payment declines may be happening, but due to the limited display space, the error messaging may not have enough space to show the payment decline. If you click Try Again, the buyer should get redirected to the PayPal Checkout page and can try again. If there is a decline, there should be more details showing there. There may be other factors happening here, but to research this properly, you may want to file a case to my Merchant Technical Support team directly. We may need to get some examples from you in order to research further. You should be able to file a case to us at https://www.paypal-support.com and clicking "Contact Us" at the bottom of the page. If your users are seeing a very high number of these error messages, you can use the horizontal button orientation, this will stop the inline guest checkout from being shown as an option. Thanks, Rob - PayPal MTS
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