On a subscription button, I receive an error: We’re sorry Things don’t appear to be working at the moment. After pressing “PayPal Check out” https://www.sandbox.paypal.com/webapps/hermes?flow=1-P&ulReturn=true&token=2SR53638D44499444&rm=1&mfid=1539180529044_dbf1831663402&useraction=commit&country.x=US&locale.x=en_US&country.x=US&locale.x=en_US&arc=1#/checkout/genericError?code=UkVUUlk%3D The subscribe button working fine.
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