Escape Health & Wellness Centre Unclaimed

i am very disappointed ....last year may i signed a contract with your gym in two days i relocated to jhb n i cancelled the contract but today im being called a debtor collector to inform me i owe you guys r7675 how is that possible if i had a debit order on the account .....im really angry i have been trying to track the escape wellness centre but with no luck....please help im mad as hell