Ошибка по формированию ТТН НП

Ошибка при формировании ТТН НП на почтомат. Выдает вот такую ошибку ( [method] => addInvoiceCargo [comment] => Создать ТТН Груза [xml] => <?xml version="1.0" encoding="utf-8"?><root><apiKey>f1f7245cbe5bd2ac564465ab710a7</apiKey><modelName>InternetDocument</modelName><calledMethod>save</calledMethod><methodProperties><PayerType>Recipient</PayerType><PaymentMethod>Cash</PaymentMethod><DateTime>07.09.2021</DateTime><CargoType>Cargo</CargoType><VolumeGeneral>1</VolumeGeneral><Weight>1</Weight><ServiceType>WarehouseWarehouse</ServiceType><SeatsAmount>1</SeatsAmount><Description>фурнітура</Description><Cost>931</Cost><CitySender>db5c8974-391c-11dd-90d9-001a92567626</CitySender><Sender>0944efae-f3ab-11e8-8b24-005056881c6b</Sender><SenderAddress>2bb8ce81-e1c2-11e3-8c4a-0050568002cf</SenderAddress><ContactSender>8e42effd-f3ad-11e8-8b24-005056881c6b</ContactSender><SendersPhone>380674569639</SendersPhone><CityRecipient>db5c88e0-391c-11dd-90d9-001a92567626</CityRecipient><Recipient>09491b1e-f3ab-11e8-8b24-005056881c6b</Recipient><RecipientAddress>8e12dc8f-d5ca-11e8-ad0d-005056b24375</RecipientAddress><ContactRecipient>57d0d8e5-233d-11eb-8513-b88303659df5</ContactRecipient><RecipientsPhone>380636704047</RecipientsPhone><AdditionalInformation></AdditionalInformation><InfoRegClientBarcodes>26927</InfoRegClientBarcodes></methodProperties></root> [url] => https://api.novaposhta.ua/v2.0/xml/ [response API] => Array ( [success] => false [errors] => SimpleXMLElement Object ( [item] => OptionsSeat is empty ) [warnings] => SimpleXMLElement Object ( ) [info] => SimpleXMLElement Object ( ) [xml] => <?xml version="1.0" encoding="UTF-8"?> <root><success>false</success><data/><errors><item>OptionsSeat is empty</item></errors><warnings/><info/><messageCodes/><errorCodes><item>20000200226</item></errorCodes><warningCodes/><infoCodes/></root> НП ответили [file]10986[/file] И действительно такого параметра в запросе нет. Для этого нужно заполнять блок [file]10987[/file] ?