50200: Programmable Chat: User not foundPositive FeedbackNegative FeedbackERROR: 50200error-50200 page anchorPositive FeedbackNegative FeedbackPROGRAMMABLE CHATERROR Descriptiondescription page anchorPositive FeedbackNegative Feedback Possible Causespossible-causes page anchorPositive FeedbackNegative Feedback Specified User does not exist. Possible Solutionspossible-solutions page anchorPositive FeedbackNegative Feedback Confirm a valid User is being passed in request.