omission from a list or record
Refers to an item or entry that was accidentally left out of a document, list, register, or database.
There was an omission in the report.
名簿の記載漏れを防ぐため、二重チェックを行った。
We double-checked to prevent omissions from the roster.
Compound of 記載 (listing, recording) and 漏れ (omission, leakage).