wpml-config.xml

<wpml-config>
    <admin-texts>
        <key name="single_names">
            <key name="*"/>
        </key>
        <key name="archive_names">
            <key name="*"/>
        </key>
        <key name="archive_multiple_settings">
            <key name="seo_title" />
            <key name="breadcrumbs_title" />
        </key>
        <key name="product_attribute">
            <key name="*"/>
        </key>
        <key name="product_attribute_label">
            <key name="*"/>
        </key>
        <key name="product_attribute_unit">
            <key name="*"/>
        </key>
        <key name="product_shipping_cost">
            <key name="*"/>
        </key>
        <key name="product_shipping_label">
            <key name="*"/>
        </key>
        <key name="product_currency_settings">
            <key name="custom_symbol"/>
        </key>
    </admin-texts>    
</wpml-config>