delivery-media-available.format.date-time

Refused 400 schema

Not an RFC 3339 date-time, in the delivery-media-available payload schema.

Outcome	Refused, 400
Source	schema: The SOM 1.0 JSON Schema says no. The message is not valid SOM 1.0.
Checked at	SOM envelope, version and payload (see the order of checks)
Applies to	messages whose payload is checked against the delivery-media-available schema

What it means

The message breaks the delivery-media-available payload schema. Not an RFC 3339 date-time. Typical cause: "2026-09-24 14:00", or a time with no time zone.

How to fix it

Send e.g. 2026-09-24T14:00:00Z: a T, seconds and a zone (Z or an offset). path in the violation points at the field.

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