27 “‘If a person sins unwittingly, then he shall offer a female goat a year old for a sin offering.
Numbers 15:27 Cross References - WEB
Leviticus 4:27-28
Acts 3:17
17 “Now, brothers, I know that you did this in ignorance, as did also your rulers.
Acts 17:30
30 The times of ignorance therefore God overlooked. But now he commands that all people everywhere should repent,
1 Timothy 1:13
13 although I used to be a blasphemer, a persecutor, and insolent. However, I obtained mercy, because I did it ignorantly in unbelief.