Charged fee I did not sign for

If you want your sanity and peace of mind don't sign with this gym, I signed with them in July during the time the gyms where closed, I was offered a no activation fee contract and it was valid only during that time, I mean who will join gym when they are not operational and not knowing when they are going to be opened, I took the no membership activation fee offer, a month down the line I receive a call from debt collectors for their money, I was shocked as the premium debit orders went through, I was told I owe R699😳 asked for what? the debt collector did not have a clue what they were talking about and just insisted I owe money and I just have to pay it, I called the gym I signed with the consultant said it's impossible, he will speak to management to sort it out,....... 3 weeks of phone calls hurrasment from debt collectors, was promised its sorted out, then I go to gym with my daughter to find out membership is blocked, I spoke to manager she promised to sort it out, sent a query again, apologized and showed me my account was even charged fees for outstanding money I don't owe, was promised someone will call to apologise and sort it out, instead I got a call from debt collectors 😢 I called the consultant that signed me, guess what I was now told the money I owe is from my previous membership with the gym, how so🤔 as I paid lot of money to cancel that membership, called call center now wanting clarification, different story no money is for activation fee, two weeks put from pillar to post changing stories, I asked for the tape of my calls, was told to go and listen at the gym, I asked to cancel as I am not getting the benefit my access is blocked for money I don't owe, I was told I will pay Cancellation fee, how so as they are the one who bridged the contract 🤷♀️ I have not been well they are horrible unreliable people who will leach every cent from you