updated_at.backwards

Refused 409 sequence

updated_at is earlier than the last accepted snapshot's.

Outcome	Refused, 409
Source	sequence: SOM 1.0 conformance on snapshot order, checked against the story's previous snapshot.
Checked at	Snapshot sequence (see the order of checks)
Applies to	story.context messages

What it means

A newer snapshot cannot describe an older moment.

How to fix it

Set updated_at to the time of this change.

Related rules

• sequence_number.not_increasing

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Branch on the rule id, never on the violation's message text. All rules: rule catalogue.