If you are receiving this error message when trying to checkout using PayPal, please follow directions indicated below.
Error on PayPal Checkout Page: Things don't appear to be working at the moment. Please try again later.
Log in to your PayPal account.
Go to the Website Payment Preferences of your PayPal profile.
Scroll/swipe down to the Encrypted Website Payments section.
Set Block Non-encrypted Website Payment to Off.