Useless customer service

I have made a payment on the 3rd of November after the debit order did not go off. I sent through a proof of payment to the consultant that help me. The payment has not yet been allocated.

The next debit order have to go off next week and the payment has not yet been allocated. I have contacted the agent and she said she will sent it to the relevant department, I have contacted them through WhatsApp. Only after the third time trying to contact them through WhatsApp someone got back to me and still noting. Today I tried phoning the call center no one answered the phones. I am getting super anger at this stage because I am not getting any response.