Brand Fail for making its inaction the client’s fault

I arrived at an agreement to make fixed monthly payments by debit order in 2009 after a dispute due to this brand failed to update me on an outstanding amount. The brand has been advising they’ll debit and debiting my account accordingly monthly since. On 25 March 2021 I received the notice to debit as per usual and assumed funds were taken as they normally are. This morning 3 April 2021 I get sent a text asking I send a proof of payment of face legal action!?

Once again your failure to action a longstanding agreement is dealt with through swift and aggressive action. Yet, you are the one that’s failed. I am once again having to run around fixing what I have in fact not broken. Massively disappointed.