In whatsApp integration the template is created and saved in the developer whatsapp template but when sending message error coming as
self = <Response [401]>
http_error_msg = ‘401 Client Error: Unauthorized for url: https://graph.facebook.com/v22.0/666078433250843/messages’
reason = ‘Unauthorized’
requests.exceptions.HTTPError: 401 Client Error: Unauthorized for url: https://graph.facebook.com/v22.0/666078433250843/messages