It's probably just a temporary MtGox access problem - unfortunately it happens from time to time - MtGox API isn't very stable :/ (you cannot get data from the URL
https://data.mtgox.com/api/2/BTCUSD/money/info by loading it directly in the browser, as your API key has to be included in the header)
Right now, MtGox access works for me - have you tried restarting the extension? (or the whole browser)
Yes, over the past three days I restarted Chrome and reloaded the extension several times. I even spun up an EC2 instance just to be sure it wasn't some weird config issue on my computer... but I always got the same message in the bot. I'd read elsewhere that MtGox's API wasn't very stable so at first I assumed that was the problem, but when it persisted after a day I thought I might have set something wrong.
But you must have some Gox Voodoo because now that you've posted, there's no problem

Thanks for replying!