I am asked to return equipment even when I have not cancelled the service

I hired Xfinity and received the equipment. Installed it and registered following the instructions.

A week later I start receiving emails and text messages stating that my service was disconnected at my request and therefore I must return the equipment or will face fees.

I talk via phone to an Xfinity agent, who reviews my case and tells me to ignore the emails and text messages: My account is fine and as I still have service, nothing else needs to be made.

I keep receiving emails and text messages for 2 more weeks, I feel something must be wrong so I go to an Xfinity store, explain the case and the staff told me that they made updates in my account and now everything is fine.

I check my account today in the Xfinity web page and noticed I have a "final bill for Xfinity services" under a note that states the service was cancelled at my request. The bill has a $150 fee for non-returned equipment.

During all that time I have been using the Xfinity modem, the internet works. Is just that the systems keep stating that I cancelled my service, when I never did.

Also, at the home page of my account in the Xfinity page I see a banner stating

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