in_flight

A notify() with the same key is being sent right now.

Status: HTTP 409 · Messages and email

What happened

A notify() with the same key is being sent right now. a delivered send answers idempotently.

What to do

Retry in a moment.

Read more

• in_flight in the error table
• Email
• Messages and links
• Server methods (the Inbox on your server)
• Changelog: when codes were added or removed