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Answer: Yes, Ultracart will make a call to Wishlist Member to unsubscribe the customer from their current subscription.
Question: After configuring Wishlist configuration page, I'm seeing the following error in the logs. Why?
Answer: If you are encountering this error after configuring WishList Member. Log into your WordPress.com account and check to make sure that the home page of your WordPress website is not set to "Protected", as it needs to be set to "unprotected".