Overpaid

Good day I'm Nonzwakazi Gxekwa I.d number ***

I had an account with TFG which is jet store I purchased a gown which was 250 I paid 150 × 3 which is 450 i paid off the account now they still abusing me with calls said I owe them insurances and magazines didn't sign anything for that please assist I'm a pensioner cannot afford to be ******