I'm getting the same message- - - - -occasionally, not with every post. Hitting the "back" arrow and the "refresh" button reveals that the post has actually been accepted. No big deal- - - -"refresh" or "reload" resolves the issue quickly.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!