Vodacom Blocked My Sim Just For Mograting Back to Prepaid and now no one can assist me since I am a prepaid customer. They suspended my Sim for NOTHING. PLEASE ASSIST

Vodacom can no longer assist me as I have now migrated back to prepaid from a contract. Vodacom just blocked and suspended my number and now I can't make calls all because I asked to go back to prepaid. I have been going to the Vodacom store and calling customer care since last week all to no resolution. The employees at Vodacom keep telling me 5 different things and transferring me to the wrong departments. Your robot Tobi just ends the call and says he can't assist. Do you even train your employees ? Why is everyone at Vodacom failing to assist me ? Do I have to be a celebrity to get some assistance from Vodacom ? All they keep telling me is my contract is upto to date. I have no liabilities but since I am prepaid they can't help me. So now that I'm on prepaid I can't use me Sim and number ? Really? What's with the horrible service. Can someone just activate my number so that I can get my bank details in order then once all is sorted I will seize to be a vodacom customer since you fail to assist me.