A more thorough explanation:

Term: in nullo est erratum
Definition: In legal terms, this phrase means "in nothing is there error." It refers to a demurrer, which is a legal objection to a complaint or charge. When a demurrer is filed with the court, it denies any error and immediately refers a question of law to the court. This phrase is used to indicate that the demurrer is without error and should be upheld by the court. Example: A defendant in a court case may file a demurrer stating that the plaintiff's complaint does not state a valid legal claim. The defendant may argue that even if all the facts in the complaint are true, they do not amount to a legal claim. The defendant may then use the phrase "in nullo est erratum" to indicate that their demurrer is without error and should be upheld by the court. Explanation: The example illustrates how the phrase "in nullo est erratum" is used in a legal context. It shows how a defendant may use this phrase to argue that their demurrer is without error and should be upheld by the court.