Cancelled hosting package still being billed.

I request my hosting package to be cancelled with immediate effect on 11/10/2018 with ticket # 261227. Payment for last *** was made on 05/10/2018 for period 12/10/2018 - 11/11/2018 - before the cancellation request was submitted. My cancellation request was action and confirmed by Sieraj Arendse on 11/10/2018.

Today 05/11/2018 I again received an *** for period 12/11/2018 - 11/12/2018 which is incorrect as my hosting package has been cancelled before the previous billing cycle. How can this not be actioned on your system if I received a confirmation that my hosting package was cancelled and the ticket was closed.