Collection Call Center keeps calling me- VERY RUDE!! I have NEVER missed a payment??!

Hi,

Your collections call center keeps calling me and telling me my account is in areas.

This account is on debit order, a month never gone by without a payment going off. The call center telling me that i made late payments?

I cant make late payments on your debit order.

STOP CALLING ME!! AND STOP BEING RUDE!! IF U CALL ME AGAIN, I'M GOING TO BE THE RUDE ONE!

Im trying to call in, to find out whats going on. One agent (Luchana) listens to the whole story and puts me on hold, "discussing" with supervisor. Then after 11 mins on hold, another agent (Nothando) answers, asking how can i help? I explain the story again, and guess what? on Hold again for 8 mins. After 20mins on the call i don't have an resolution. Why are you tormenting me? why are you calling me??

What in the **** is going on here????