They seem to have found an alternative address for you and some of their notices appear to be going there instead of your current home. Is it possible that you also got a ticket on the 10th October?
It would be helpful if you could find the original PCN from them and post it up so we can see where they have gone wrong.
Shocking pictures reveal ‘disgusting’ conditions inside Hermes depot where workers ‘feel like slaves’. Read more at https://www.consumeractiongroup.co.uk/topic/419726-shocking-pictures-reveal-%E2%80%98disgusting%E2%80%99-conditions-inside-hermes-depot-where-workers-%E2%80%98feel-like-slaves%E2%80%99/
Euro Car Parks issued this ticket to the police in Devon and Cornwall. Read more at https://www.consumeractiongroup.co.uk/topic/419522-can-anyone-identify-the-parking-company-which-issued-this-ticket-to-the-police-in-devon-and-cornwall/