57008: 'EventType' format must be StringERROR: 57008error-57008 page anchorPROGRAMMABLE SMSERROR Descriptiondescription page anchorSpecified 'EventType' format is invalid, String required Possible Causespossible-causes page anchorSpecified 'EventType' format must be String Possible Solutionspossible-solutions page anchorConfirm a valid 'EventType' is being passed in request.