Credit limit bar / lines soft locked TERRIBLE SERVICE!!!!!!

I have a contract with Vodacom. A Flexi 110. I NEVER requested a credit limit bar on my account but still there is a limit on my account without me asking for it. It's been 3 days now that I have been trying to lift / remove this from my lines. I DON'T WANT THIS ON MY LINES ON MY ACCOUNTS ON ANYTHING!!!!!! Why can't anyone help me? I speak to a different consultant each and every morning because now every morning they lock my phones and AGAIN I need to phone ********** and ask for the limit bar to be removed and the lines to be unlocked. Also there was a transfer of ownership done on my line and the owner already paid for August but now after the transfer was done VODACOM charges me AGAIN for the part of August already paid for by the previous owner. Double charges - not getting credit on my account. All adding up to my ****** credit limit bar and locking my lines. Now not only do they lock my lines every morning - I phone they unlock it - Now you lock my lines again at 5 in the afternoon and then when I phone AGAIN you tell me sorry the technical team is not working anymore sorry but the lines can only be unlocked by them and phone again the next day. I'm fed up with your service. I've been with vodacom from 2001 a loyal customer but you're *****ing up now and losing my faith in you forever!!!!!