Disappointed

I am very disgusted and disappointed in Telkom and Debt in. Telkom handed me over to Debt in 2 years ago, I have been paying very well, this was supposed to be my last month of paying as I made an arrangement to pay off the account. All of a sudden Debt in stopped the debit order and they told me that Telkom removed the debt from them. Now I haven't made the two payments left and this is now affecting my credit score and when Telkom decides to call me the debt would have accumulated more interest and I will be expected to pay more. This is a total ******* and I am super upset.