I have version 1.0.2 installed (fresh install, not upgraded) and I get the exact same error.
The initial subscription worked great all the way through.
When I go to my profile and in my Payments Tab where I have my plans listed, when I click on the Unsubscribe button, I'm taken to this next step:
We are sorry to see you unsubscribing. Please contact us first if you feel we can improve our service. Otherwise simply confirm your immediate subscription cancellation below
There are two buttons: Yes, Unsubscribe and No, Stay Subcribed.
I click on Yes, Unsubcribe.
Then I get a pop up: This unsubscribe is with immediate effect, without refund and cannot be undone. Are you sure?
I click OKAY.
Then I get:
You are currently using PayPal Recurring Payments to pay for your subscription. To unsubscribe and stop future payments, you must to do this from Paypal. Click on the button below to login into PayPal and follow the instructions there to unsubscribe. This will automatically stop your subscription on this site.
The button is: Unsubscribe at Paypal. (the hover being: cancel automatic payments.
I click that button.
THAT is when we get:
Error Detected
The email address for the business is not present in the encrypted blob. Please contact your merchant.
And there is a paypal button that says "Go to Paypal Account"
So, something isn't be passed somewhere, sounds like the cert doc, but I've no clue.