Leviticus 4:13

And if the whole congregation of Israel sin through ignorance, that is, through inadvertence due either to unconsciousness of the act's sinfulness or to lack of information on certain points of the Law, and the thing be hid from the eyes of the assembly, and they have done somewhat (something) against any of the commandments of the Lord concerning things which should not be done, and are guilty, although, for the time being, still in ignorance of that fact;