Not keeping to debit dates

I am so frustrated with this bank , I think I have a new complaint every week! So my debit date for my home loan is 10/10/17 the debit did not go off for whatever reason ,even though I have sufficient funds in my account . Yet Im getting continuous SMS's saying the payment is outstanding and needs to be paid urgently. I have called the call center as per the number on the SMS ********** 270 , spoke to someone by the name off Dennis ( not sure if its a **** name ) . Really upset that this guy just aggravated the situation and seemed to just want to get me off the call and didn't do much to provide a solution .The only thing he said is I must make a manual payment.

I explained that isn't convenient for me to do , he said that there is nothing else he can do!

Surely STD bank can make an immediate transfer .I don't see why I have to be reflecting as a bad payer just because STD bank didn't take out the payment on time , yet they are sending me SMS's as if its my fault.