Não é possível enviar modelos de mensagens do WhatsApp e concreto, pois a linha de crédito.
PRECISO DE AJUDA
@fabiorobert da uma olhada nesta documentação para resolver este problema:
https://help.manychat.com/hc/pt-br/articles/16339428975900-Solu%C3%A7%C3%A3o-de-problemas-da-Linha-de-cr%C3%A9dito-do-WhatsApp
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