Leviticus 5:18

18 He must bring a ram without defect from the flock, or its equivalent according to your appraisal, to the cohen for a guilt offering; the cohen will make atonement concerning the error which he committed, even though he was unaware of it; and he will be forgiven.

Leviticus 5:18 Meaning and Commentary

Leviticus 5:18

And he shall bring a ram without blemish out of the flock,
&c.] (See Gill on Leviticus 5:15)

with thy estimation for a trespass [offering] to the priest;
along with the offering was to be brought an estimate of whatsoever damage had been done through the breach of any of the commands of God, where damage could take place, that so recompense be made as before directed; or else the ram brought was to be valued, and examined whether it was worth two shekels of silver, as before explained, (See Gill on Leviticus 5:15) but no fifth was required as in the former cases:

and the priest shall make atonement for him concerning his
ignorance wherein he erred, and wist [it] not, and it shall be
forgiven him; (See Gill on Leviticus 5:10) this is what the Jews call "Asham Talui", doubtful trespass offering.

Leviticus 5:18 In-Context

16 In addition, he is to make restitution for whatever he did wrong in regard to the holy thing; moreover, he is to add to that one-fifth and give it to the cohen. Then the cohen will make atonement with the ram of the guilt offering, and he will be forgiven.

17 "If someone sins by doing something against any of the mitzvot of ADONAI concerning things which should not be done, he is guilty, even if he is unaware of it; and he bears the consequences of his wrongdoing.

18 He must bring a ram without defect from the flock, or its equivalent according to your appraisal, to the cohen for a guilt offering; the cohen will make atonement concerning the error which he committed, even though he was unaware of it; and he will be forgiven.

19 It is a guilt offering - he is certainly guilty before ADONAI."