'Error' in the Bible

‘Now if the whole congregation of Israel commits error and the matter escapes the notice of the assembly, and they commit any of the things which the Lord has commanded not to be done, and they become guilty;

He is then to bring to the priest a ram without defect from the flock, according to your valuation, for a guilt offering. So the priest shall make atonement for him concerning his error in which he sinned unintentionally and did not know it, and it will be forgiven him.