Then a month or so later , they suddenly disconnected my server for nonpayment . When I called them up to see WTF was going on , they said my credit card did n't work . Turns out they had done some work in their accounting system , and my MasterCard got reclassified as a Visa .

Question: What is the reason why my card did n't work ?
Answer: Because it got changed to a different company .Because they reclassified it as a MasterCard .Because it was disconnected from the server .Because I did n't pay on time .