Terrible service. Unipin voucher not recovered for over a month.

I bought an electricity voucher on the 2nd of February and was advised they would investigate. I was then provided with a token which also didn't work and was told yet again they would investigate and till today I still haven't received any feedback or a new token number for electricity. This is a matter of urgency as I need the electricity and will not accept my money just going down the drain.