I'm getting it. Get it when trying to post on a Book Reviewers forum via the full editor.
EDIT: I'm getting it even when I post in the regular post box at the bottom of the forum.
EDIT 2: Screenshot here: http://img.photobucket.com/albums/v609/sleepwalkingdreamer/Screen%20Shot%202015-11-13%20at%207.12.03%20AM_zpsavd7y07x.png.