30128: MessagingServiceSidsAction is invalidPositive FeedbackNegative FeedbackERROR: 30128error-30128 page anchorPositive FeedbackNegative FeedbackPROGRAMMABLE SMSERROR Descriptiondescription page anchorPositive FeedbackNegative FeedbackMessagingServiceSidAction is invalid Possible Causespossible-causes page anchorPositive FeedbackNegative FeedbackOnly ADD, DELETE or REPLACE action types are allowed Possible Solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackTry to use any of the action types - ADD, DELETE, REPLACE