Shared ground
Leviticus 4:1–2 introduces a new instruction block: Yahweh speaks, Moses relays, and Israel is addressed. The passage frames what follows as divine direction rather than Moses’ personal policy (explicit in the speech formula).
The stated situation is a person who “sins unwittingly” by doing something Yahweh has commanded not to be done. The text treats this as a real violation even when it was not done on purpose (explicit: the person “shall do any one of them”). That framing sets up the rest of the chapter’s procedures.
Where interpretation differs
How wide “anyone” is. Some read it as any Israelite without exception. Others think the immediate focus is members of the covenant community in its worship system, not outsiders passing through.
What “unwittingly” covers. Some take it mainly as ignorance of the rule or facts. Others include mistakes, carelessness, or momentary lack of awareness, as long as there was no deliberate defiance.
Whether “sin” here implies guilt in the same sense as deliberate wrongdoing. Many conclude the passage assumes accountability remains because a forbidden act was done. Others emphasize that the text highlights a category difference: it is still “sin,” but not the same kind of act as high-handed rebellion.
Why the disagreement exists
The verse gives the category (“unwittingly”) and the target (“things Yahweh commanded not to be done”) but does not define boundaries. Readers infer limits from broader Torah usage, from how later verses in the chapter describe cases, and from how communities distinguish mistakes from deliberate defiance.
What this passage clearly contributes
It establishes (1) the authority chain (Yahweh → Moses → Israel), (2) that unintentional violations of prohibitions are still treated as “sin” in the text’s terms, and (3) that such cases require an official, taught response within Israel’s covenant life (the details come in the rest of Leviticus 4). It also assumes Israel already knows a body of commands that include clear “do not” instructions.