MEComposeSessionError An error that indicates the compose session is in an erroneous state. Declarationstruct MEComposeSessionError TopicsIndicating Erroneous StatesinvalidBodyinvalidHeadersinvalidRecipientsMEComposeSessionErrorDomainType PropertieserrorDomain RelationshipsConforms ToCustomNSErrorEquatableErrorHashableSendableSendableMetatype See AlsoHandling Compose SessionsMEComposeSessionmailComposeSessionDidBegin(_:)mailComposeSessionDidEnd(_:)