50406: Programmable Chat: Invalid last consumed message index formatERROR: 50406error-50406 page anchorPROGRAMMABLE CHATERROR Error - 50406error---50406 page anchor Programmable Chat: Invalid last consumed message index formatprogrammable-chat-invalid-last-consumed-message-index-format page anchor Possible Causespossible-causes page anchor Request does not contain correctly formatted parameter for last consumed message index Possible Solutionspossible-solutions page anchor Confirm a valid parameter is passed in request.