30409: This message cannot be canceledPositive FeedbackNegative FeedbackERROR: 30409error-30409 page anchorPositive FeedbackNegative FeedbackMESSAGINGERROR Descriptiondescription page anchorPositive FeedbackNegative Feedback Possible Causespossible-causes page anchorPositive FeedbackNegative FeedbackAttempted to cancel the message after it has reached a finalized state(link takes you to an external page). Possible Solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackN/A