question

we are not able to add item to the eBay site using production API. we are getting the following error

The item specific Type is missing. Add Type to this listing, enter a valid value, and then try again.21919303

<?xml version="1.0" encoding="utf-8"?>
<AddItemRequest xmlns="urn:ebay:apis:eBLBaseComponents">
  <RequesterCredentials>
    <eBayAuthToken>XXXXXXXXXXX</eBayAuthToken>
  </RequesterCredentials>
  <ErrorLanguage>en_US</ErrorLanguage>
  <WarningLevel>High</WarningLevel>
  <Item>
    <Title>test-800</Title>
    <Description>test 800</Description>
    <PrimaryCategory>
      <CategoryID>176971</CategoryID>
    </PrimaryCategory>
    <StartPrice>200</StartPrice>
    <CategoryMappingAllowed>true</CategoryMappingAllowed>
    <ConditionID>1000</ConditionID>
    <Country>US</Country>
    <Currency>USD</Currency>
    <DispatchTimeMax>3</DispatchTimeMax>
    <ListingDuration>GTC</ListingDuration>
    <ListingType>FixedPriceItem</ListingType>
    <PictureDetails>
      <GalleryType>Gallery</GalleryType>
      <PictureURL>https://eznetcrm.net/img/eZnetLogo.png</PictureURL>
    </PictureDetails>
    <PostalCode>32746</PostalCode>
    <ProductListingDetails>
      <UPC></UPC>
      <BrandMPN>
        <Brand>HP</Brand>
        <MPN>845418-B21</MPN>
      </BrandMPN>
      <IncludeStockPhotoURL>true</IncludeStockPhotoURL>
      <IncludePrefilledItemInformation>true</IncludePrefilledItemInformation>
      <UseFirstProduct>true</UseFirstProduct>
      <UseStockPhotoURLAsGallery>true</UseStockPhotoURLAsGallery>
      <ReturnSearchResultOnDuplicates>true</ReturnSearchResultOnDuplicates>
    </ProductListingDetails>
    <Quantity>5</Quantity>
    <ItemSpecifics>
      <NameValueList>
<Name>Brand</Name>
<Value>HP</Value>
  </NameValueList>
  <NameValueList>
<Name>MPN</Name>
<Value>845418-B21</Value>
  </NameValueList>
    </ItemSpecifics>
    <ReturnPolicy>
      <ReturnsAcceptedOption>ReturnsAccepted</ReturnsAcceptedOption>
      <RefundOption>MoneyBack</RefundOption>
      <ReturnsWithinOption>Days_30</ReturnsWithinOption>
      <ShippingCostPaidByOption>Buyer</ShippingCostPaidByOption>
    </ReturnPolicy>
    <ShippingDetails>
      <ShippingType>Flat</ShippingType>
      <ShippingServiceOptions>
        <ShippingServicePriority>1</ShippingServicePriority>
        <ShippingService>USPSMedia</ShippingService>
       <ShippingServiceAdditionalCost>0</ShippingServiceAdditionalCost>
        <ShippingServiceCost>0</ShippingServiceCost>
      </ShippingServiceOptions>
    </ShippingDetails>
    <Site>US</Site>
  </Item>
</AddItemRequest>

we are using the above code to add an item but not able to add it. what we are doing wrong please help us.