SKU xxx，缺少属性standard_product_id

Question

我已将所有数据提交给MWS的产品Feed，但收到错误消息。

Feed XML：

<AmazonEnvelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="amzn-envelope.xsd">
   <Header>
      <DocumentVersion>1.01</DocumentVersion>
      <MerchantIdentifier>M_SELLER_354577</MerchantIdentifier>
   </Header>
   <MessageType>Product</MessageType>
   <PurgeAndReplace>false</PurgeAndReplace>
   <Message>
      <MessageID>1</MessageID>
      <OperationType>Update</OperationType>
      <Product>
         <SKU>ebg_grey_l</SKU>
         <StandardProductID>
            <Type>EAN</Type>
            <Value>001123456788</Value>
         </StandardProductID>
         <DescriptionData>
            <Title>BNWT Mens DLX PROJECT Tracksuit Sweat Top AND Jog Track Bottoms S M L XL</Title>
            <Brand>Unbranded</Brand>
            <Description>MENS HOODED DLX PROJECT GRAPHIC SWEATSHIRT TOP AND PANTS TRACKSUIT SET - SOFT JERSEY FLEECE FABRIC - CONTRAST PANEL COLOURWAY ON TOP AND PANTS - FRONT SIDE POCKETS AND DRAWSTRING ON PANTS - COMFORTABLE FIT - DLX PROJECT DETAIL ON CHEST AND ALONG FRONT LEG - MATERIAL: POLYESTER/ COTTON - SIZE: SMALL, MEDIUM, LARGE, EXTRA LARGE 3 COLOURS TO CHOOSE FROM: BLACK, CHARCOAL, GREY * MACHINE WASHABLE *</Description>
            <BulletPoint>made in United Kingdom</BulletPoint>
            <Manufacturer>EBG</Manufacturer>
            <SearchTerms>Shoes</SearchTerms>
         </DescriptionData>
         <ProductData>
            <Clothing>
               <VariationData>
                  <Parentage>child</Parentage>
                  <Size>UK 6</Size>
                  <Color>Red</Color>
                  <VariationTheme>SizeColor</VariationTheme>
               </VariationData>
               <ClassificationData>
                  <ClothingType>Shoes</ClothingType>
               </ClassificationData>
            </Clothing>
         </ProductData>
      </Product>
   </Message>
</AmazonEnvelope>

我已经通过了StandardProductID，但仍然遇到相同的错误。

有人无法帮助我解决此问题，因为我无法从Amazon文档和Amazon中找到任何问题。