Disappointing service from Vodacom

This is the second time in two weeks im writing up on vodacom and missing airtime.I was stuck on the road and bought airtime to the value of R45 on my banking app.A message came through that i have recharged.I then made a call and the voice prompt notified me i have insufficient airtime.i then dialed *135# and there was no way i could connect directly to a consultant it was just giving me voice prompts to which i sat about 50 minutes trying to get a hold of someone .this is all happening while i require assistance to have my car sorted out.finally a bot/chat system gave me an option for an assistant to call me back and still i have had explanation as to were my airtime went.in an emergency i will not rely on the vodacom network.I have a dual sim phone to which i added a new simcard with another service provider available.Very disappointing service from vodacom.