SwiftDocCNavigatorIndexNavigatorIndex.ErrorEnumerationNavigatorIndex.ErrorA specific error to describe issues when processing a NavigatorIndex.enum ErrorTopicsEnumeration Casescase missingBundleIdentifierMissing bundle identifier.case missingTitle(description: String)A RenderNode has no title and won’t be indexed.case navigatorIndexIsNilThe navigator index has not been initialized.Instance Propertiesvar errorDescription: String