[fix #5491914] Fix for client throwing an exception when a client controller does an ac.error()
[fix #5491914] Fix for client throwing an exception when a client controller does an ac.error()

1950195/mojito,ooskapenaar/mojito,ooskapenaar/mojito,jeffblack360/mojito,yahoo/mojito,ooskapenaar/mojito,1950195/mojito,jeffblack360/mojito,ooskapenaar/mojito,jeffblack360/mojito,1950195/mojito,yahoo/mojito,yahoo/mojito,jeffblack360/mojito