špatná konfigurace importu

<product>
<group_id>2</group_id>
<variant_id>d04b95489bc4e2bc1187bbfa7ef0ba59</variant_id>
<catalog_number>566</catalog_number>
<ean>61758</ean>
<name>Produkt</name>
<producer>ALPISPORT</producer>
<description>Krátký popis</description>
<description_long>dlouhý popis</description_long>
<vat>21</vat>
<wholesale_price>850</wholesale_price>
<wholesale_price_vat>1029</wholesale_price_vat>
<price>0</price>
<price_vat>0</price_vat>
<on_stock>0</on_stock>
<on_stock_external>0</on_stock_external>
<images>
<image>/files/images-goods/4.jpg</image>
</images>
<variants>
<variant>
<name>Velikost</name>
<value>S</value>
</variant>
<variant>
<name>Barva</name>
<value>Černošedá</value>
</variant></variants>
</product>

<?php defined('SQC') or die('No direct access.');


$import_options = array(
    'datafile' => 'www_adresa_xml',
    'datatype' => 'xml',
    'product_element' => 'product',
    'mode' => 0,
    'delete_products' => 0,
    'create_categories' => 1,
    'variant_element' => '',
    'category_parent' => '',
    'files_target' => '',
    'product_unique' => 'name',
    'encoding' => '',
    'elements' => array(
        'name' => 'name',
        'description' => 'description_long',
        'price' => 'price_vat',
        'cost' => 'wholesale_price_vat',
        'files' => 'images/image',
        'description_short' => 'description',
        'manufacturers' => 'producer',
    ),
);



function import_variants($product, $data, $options){
    $variants = array();

    foreach($product->PARAM as $variants){
        $name = (string) $variants->PARAM_NAME;

        foreach($variant->VAL as $value) {
            $variants[] = array(
                'name' => $name,
                'value' => (string) $value,
                'price' => null
            );
        }
/*
        $variants[] = array(
            'name' => 'Barva/velikost',
            'value' => (string) $variant->PARAM/PARAM_NAME,
            'price' => null
        );

    }
*/
    return $variants;
}