50502: Programmable Chat: Message index not providedPositive FeedbackNegative FeedbackERROR: 50502error-50502 page anchorPositive FeedbackNegative FeedbackPROGRAMMABLE CHATERROR Error - 50502error---50502 page anchorPositive FeedbackNegative Feedback Programmable Chat: Message index not providedprogrammable-chat-message-index-not-provided page anchorPositive FeedbackNegative Feedback Possible Causespossible-causes page anchor Request does not contain required Message Index parameter. Possible Solutionspossible-solutions page anchor Confirm a valid Message Index is being passed in request.