My worry is that this is a sign of another hacking attempt and that perhaps sony is blocking sales to certain accounts that may have been hacked, though it could simply be a network issue on their end. I'm posting here on IGN to see how many others are having similar issues (two apparently got through on the Support forums before I attempted, so it's happening to others), and in the hopes that a Sony employee is monitoring these forums. There are no private ways of contacting support that I could find on the Sony websites (the other options are Twitter and YouTube), which is inadequate, considering the sensitivity of the issue (e.g.
I've tried posting this on the PS Support forums, with no success (comes up with an error every time I try to post a new thread or reply to a comment with a similar issue), which means either they're having network issues but won't admit it or they're purposefully blocking these kinds of comments.