21912: Message Intent is too longERROR: 21912error-21912 page anchorPROGRAMMABLE MESSAGINGERROR Descriptiondescription page anchorMessage Intent must be fewer than 30 characters long Possible Causespossible-causes page anchorMessage Intent is not one of the Twilio-specified values Possible Solutionspossible-solutions page anchorUse a valid Message Intent from the Twilio-specified list