Numbers 15:25 in the King James Version
And the priest shall make an atonement for all the congregation of the children of Israel, and it shall be forgiven them; for it is ignorance: and they shall bring their offering, a sacrifice made by fire unto the LORD, and their sin offering before the LORD, for their ignorance:
Context
24 then it shall be, if it was done unwittingly, without the knowledge of the congregation, that all the congregation shall offer one young bull for a burnt offering, for a pleasant aroma to the LORD, with its meal offering and its drink offering, according to the ordinance, and one male goat for a sin offering.
25 The priest shall make atonement for all the congregation of the children of Israel, and they shall be forgiven; for it was an error, and they have brought their offering, an offering made by fire to the LORD, and their sin offering before the LORD, for their error.
26 All the congregation of the children of Israel shall be forgiven, as well as the stranger who lives as a foreigner among them; for with regard to all the people, it was done unwittingly.