New Revised Standard Version
But if you unintentionally fail to observe all these commandments that the LORD has spoken to Moses—

New American Bible
If through inadvertence you fail to do any of these commandments which the LORD has given to Moses—

Douay-Rheims Bible
And if through ignorance you omit any of these things, which the Lord hath spoken to Moses,

And if through ignorance you omit any of these things, which the Lord hath spoken to Moses,

Leviticus 4:2,13,14,22,27 Say to the children of Israel: The soul that sinneth through ignorance, and doth any thing concerning any of the commandments of the Lord, which he commanded not to be done: . . .

Leviticus 5:13,15-17 Praying for him and making atonement. But the part that is left, he himself shall have for a gift. . . .

Psalm 19:12 Who can understand sins? from my secret ones cleanse me, O Lord:

Luke 12:48 But he that knew not and did things worthy of stripes shall be beaten with few stripes. And unto whomsoever much is given, of him much shall be required: and to whom they have committed much, of him they will demand the more.