63050: WhatsApp User Opted Out of Receiving Marketing Messages
PROGRAMMABLE MESSAGING
ERROR
Meta did not deliver this WhatsApp message, because the recipient has opted out of receiving marketing messages from your business. Do not retry sending marketing messages to this user as they will not be delivered.
The recipient has opted out of receiving marketing messages on WhatsApp from your business.
The recipient will need to opt in to receiving marketing messages again from your business.