Problem when I try to create configurable product.

[novapc]

true, 'connection_timeout' => 86400, 'wsdl_cache' => WSDL_CACHE_NONE, ); $proxy = new SoapClient('https://www.veromotos.com.br/index.php/api/v2_soap/?wsdl=1',$options); try { echo "

";
    $sessionId = $proxy->login('example', 'example123@');
echo "

"; }catch(Exception $e) { die(var_dump($e)); } /** * Simple product #1 (sku : SKU-001) */ $productData = array( 'name' => 'Produto Simples #1', 'description' => 'Descrição do Produto Simples #1', 'short_description' => 'Descrição Curta do Produto Simples #1', 'website_ids' => array('base'), // Id or code of website 'status' => 1, // 1 = Enabled, 2 = Disabled 'visibility' => 1, // 1 = Not visible, 2 = Catalog, 3 = Search, 4 = Catalog/Search 'tax_class_id' => 2, // Default VAT 'weight' => 0, 'stock_data' => array( 'use_config_manage_stock' => 0, 'manage_stock' => 0, // We do not manage stock, for example ), 'price' => 9.90, // Same price than configurable product, no price change 'additional_attributes' => array( 'single_data' => array( array( 'key' => 'cores', 'value' => 'AMARELO', // Id or label of color, attribute that will be used to configure product ), ), ), ); $proxy->catalogProductCreate($sessionId, 'simple', 'Default', 'SKU-001', $productData); /** * Simple product #2 (sku : SKU-002) */ $productData = array( 'name' => 'Produto Simples #2', 'description' => 'Descrição do Produto Simples #2', 'short_description' => 'Descrição Curta do Produto Simples #2', 'website_ids' => array('base'), // Id or code of website 'status' => 1, // 1 = Enabled, 2 = Disabled 'visibility' => 1, // 1 = Not visible, 2 = Catalog, 3 = Search, 4 = Catalog/Search 'tax_class_id' => 2, // Default VAT 'weight' => 0, 'stock_data' => array( 'use_config_manage_stock' => 0, 'manage_stock' => 0, // We do not manage stock, for example ), 'price' => 8.90, // Red product is $1 less than configurable product 'additional_attributes' => array( 'single_data' => array( array( 'key' => 'cores', 'value' => 'AZUL', // Id or label of color, attribute that will be used to configure product ), ), ), ); // Creation of product #2 $proxy->catalogProductCreate($sessionId, 'simple', 'Default', 'SKU-002', $productData); /** * Configurable product */ $productData = array( 'name' => 'Produto Configurável', 'description' => 'Descrição do produto configurável', 'short_description' => 'Descrição curta do produto configurável', 'website_ids' => array('base'), // Id or code of website 'status' => 1, // 1 = Enabled, 2 = Disabled 'visibility' => 4, // 1 = Not visible, 2 = Catalog, 3 = Search, 4 = Catalog/Search 'tax_class_id' => 2, // Default VAT 'weight' => 0, 'stock_data' => array( 'use_config_manage_stock' => 0, 'manage_stock' => 0, // We do not manage stock, for example ), 'price' => 9.90, 'associated_skus' => array('SKU-001', 'SKU-002'), // Simple products to associate ); try { $proxy->catalogProductCreate($sessionId,'configurable','Default','Configurable Product',$productData); }catch(Exception $e) { echo "

";
    die(var_dump($e));
    echo "

"; } I'm receiving the following error: ["previous":"Exception":private]=> NULL ["faultstring"]=> string(92) "Call to undefined method Mage_Catalog_Model_Product_Attribute_Backend_Price::getAllOptions()" ["faultcode"]=> string(15) "SOAP-ENV:Server" }