57014: 'Event' data in payload is absent

This error occurs when the request payload is missing Event data. Twilio lists This error under Messaging in the Error and Warning Dictionary, and Twilio returns a 400 response when a request is missing a required parameter.

• The request payload does not include Event data.

• Include Event data in the request payload, then resend the request.
• Review the error logs to inspect the exact error, likely causes, suggested solutions, and the request and response associated with the failure.

• Twilio API responses
• Debugging Your Twilio Application