commit: 6b2ca8a - #414 (2014-03-05 12:54:44 -0500)
Hmmm, might just be a temporary error. Apparently it is just a bug and Google are dealing with it:https://productforums.google.com/forum/#!category-topic/webmasters/webmaster-tools/HEc9ea-emNc
THE SKY IS FALLING.
I've updated the article to include a statement John Mueller made on the Google+ thread: https://plus.google.com/111588754935244257268/posts/eBffLdEwFmK