Generation 6
Outrage's PP was reduced to 10 and it is disrupted if it is not successful due to missing, sleeping, paralysis, freeze, flinching, a Protecting target, or Wonder Guard immunity. If a disruption occurs on what would have been the final, confusion-inducing turn of Outrage, the user will always become confused.
Yeah it was the Protect
Source:Bulbapedia, Outrage
Hope I helped!