21624: Maximum subject length is 40 charactersERROR: 21624error-21624 page anchorPROGRAMMABLE SMSERROR Error - 21624 - NEEDS TO BE CLEANED UPerror---21624---needs-to-be-cleaned-up page anchor Maximum subject text length is 40 charactersmaximum-subject-text-length-is-40-characters page anchorThe subject text of your message should be 40 characters or less.