Bug/Issue Can't arrest disguised NPC (Peacekeeper Mission)

i can't arrest any NPC (from peacekeeper quests) that wears a disguise hat, and i'm stuck because of this, any idea of how to fix this ? (also, if i abandon the mission, they become capturable) EDIT : I managed to bypass the problem by trying lots of things with two instances of the game running and i managed to capture him with another character, still a pain in the ### to get this working...