E04089 — BroadcastPreviewChanged

The broadcast preview has changed. Preview the same inputs again before testing.

• HTTP status: 409
• Type: conflict_error
• Name: BroadcastPreviewChanged

What to do

Preview the broadcast again with the same inputs, then send the test with the new preview fingerprint.

Operations that resolve this:

• Preview a broadcast for a contact

Related

• Idempotency: safe retries and key reuse rules
• E04xxx — Email sending & delivery: every code in this range
• Errors: the full wire contract, status mapping, and error catalog
• Error handling: branching on type and code, validation details, and vendor_code