I recently setup a recurring payment plan for subscription which I plan to offer. I copied the code and added the buttons to my page which worked well and as expected.
Today I have returned to test this before going live, the pop now disappears as soon as it opens. I have checked the browser console and can see that the request to cartid returns a 400 error:
{ack: "contingency", contingency: "VALIDATION_ERROR", meta: {calc: "3114f8e8ea07d",…},…}
ack: "contingency"
contingency: "VALIDATION_ERROR"
Any ideas what may be the cause of this, as mentioned it worked last week and no one has made any changes in the Paypal acount.
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