*********** and cannot resolve a query

I have a debit order on my account, every month without fail my account is paid and all is good. 2 weeks ago I call to upgrade two of my contracts, then I get these pesky calls about me owing R150 and I need to pay beforeI get cut off. Then after many attempts to resolve this and call centre agents telling me I didn't have enough money in my account, which is ****, they said the calls would stop. Go to Vodacom shop to do sim swap yesterday, and they are unable to do it because of R150 in arrears, which is not the case, please note that I have only received one half of upgrade! Then after spending 2 hours fighting through *********** call centre, they say the sim swap is done. I get a message on my phone that the sim swap has been ordered, wrong phone idiots, call call centre again to try and fix it, they say it is fixed. 24 hours later phone still not on, so call again, land up waiting forever for the agent to assist me, only to hear that they have given me the wrong SIM. I took the afternoon off to try and resolve everything yesterday. I walk into a Telkom shop do a sim swap and walk out and my phone is on, vodacom I have never met an organization who is just ***********