Money Debited without my concern

So i have had a funeral plan taken with Old Mutual about 5 years ago and because I was not pleased with the payout I decided to cancel it and take a better one that worked out just fine until this month.

This is what happened OLD MUTUAL has decided to debit money from my account for the account that was cancelled 5 years ago without me permitting them to when I asked they telling me it would not have been done without my concern and they stating that i would have received a call from them about the issue, so since they stating I would have received the call about it i have lost my phone on the 18-May-2019 i have a new phone and i have a new number which i have not yet provided to you guys so i fail to understand the part where they state that i would have received a call about it what exactly is it that they mean i would like to get clarity on that one.

Just so you know I DO NOT WANT THIS POLICY TO CONTINUE THAT IS WHY I CANCELLED IT TO BEGIN WITH.

The debit order Ref is: Ref OLD MUTUAL285P*** Naedo DR

Should you need discuss anything with me please send me an email on *** or call me on my new number as updated on my HELLO PETER account.

Regards, Thuli