57008: 'EventType' format must be StringPositive FeedbackNegative FeedbackERROR: 57008error-57008 page anchorPositive FeedbackNegative FeedbackMESSAGINGERROR Descriptiondescription page anchorPositive FeedbackNegative FeedbackSpecified 'EventType' format must be String Possible causespossible-causes page anchorPositive FeedbackNegative FeedbackSpecified 'EventType' format is invalid, String required Possible solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackConfirm a valid 'EventType' is being passed in request.