blacklisted

i joined this gym for 3 months i had to relocate an i couldn't be a member the guy who registered me said i should go to office Braamfontein an cancel i did that today i find out they blacklisted me i owe them R8000.00 yet the contract was for a year an 200 each how do i get to that amount, so i called the braamfontein branch the accounts lady says that i should pay 900.00 for them to remove the listing but its their mistake not mine why do i have to pay for it,secondly i asked for recordings off calls to show that they been trying to contact me to settle she says they dont have its logs i mean *** is this gym another **** scene is sa im really not up for such ******** so early in new year i need my name removed from you **** i need recordings to show you been trying to call me.