Penalty fee

My bank account usually gets debited on the 25th of every month. This month I made a manual payment on the 25th because my salary is still not paid from work. Now I am being charged a penalty fee which is the same amount as my instalment, not because I made a late payment nor did I miss my payment but I am being charged because Telkom tried to debit my account and found nothing even though I had already paid them and this is clearly shown in my statement. The level of incompetence and ignorance in their consultants and call centre agents is just beyond me My account number is: A*** Please resolve this