50503: Programmable Chat: Message body not providedPositive FeedbackNegative FeedbackERROR: 50503error-50503 page anchorPositive FeedbackNegative FeedbackPROGRAMMABLE CHATERROR Programmable Chat: Message body not providedprogrammable-chat-message-body-not-provided page anchorPositive FeedbackNegative Feedback Possible Causespossible-causes page anchorPositive FeedbackNegative Feedback Request does not contain required Message Body parameter. Possible Solutionspossible-solutions page anchorPositive FeedbackNegative Feedback Confirm a valid Message Body is being passed in request.