Weird iTunes Error Message

I tried purchasing an application tonight in iTunes, and received the following error:

For Google's benefit: "Please contact iTunes support to complete this transaction".

I tried again and again with the same results. Afterwards I tried from my computer and got the same cryptic error message.

I contacted Apple iTunes support tonight, and here was their response:

Welcome to iTunes Store Customer support. I am Chandan.

I understand that you are not able to make purchases from your Account. I will surely help you in resolving the issue.

Apple is currently working toward a resolution for the issue you have reported. You will receive an email after the matter has been investigated and further information is available.

Thank you for your patience. Apple wants your iTunes experience to be as enjoyable as possible.

So, maybe I've stumbled upon a bug? Not sure.