50509: Programmable Chat: Media message body cannot be updatedPositive FeedbackNegative FeedbackERROR: 50509error-50509 page anchorPositive FeedbackNegative FeedbackCHATERROR Descriptiondescription page anchorPositive FeedbackNegative Feedback Possible Causespossible-causes page anchorPositive FeedbackNegative Feedback Media message body cannot be updated.