Factual errors Historical anachronisms, or incorrect statements about the world. Impossible events Something that defies the laws of science, as established for the story's setting. Out-of-character behavior A character acting in a way that, based on their understanding of the options available to them, they would not realistically choose. Continuity errors Events in the story which contradict those established earlier. Unresolved storylines One of the plot lines is not resolved by the end of the story, or a character who is expected to reappear does not.
factual errors historical anachronisms or incorrect statements about the world impossible events something that defies the laws of science as established for the story's setting out-of-character behavior a character acting in a way that based on their understanding of the options available to them they would not realistically choose continuity errors events in the story which contradict those established earlier unresolved storylines one of the plot lines is not resolved by the end of the story or a character who is expected to reappear does not