Fix for WP 3.7 / Shopp 1.2.9 storefront compatibility issue. The opening <?php tag is purely for nice Gist formatting, it won't generally be needed if this is dropped into an existing functions.php file

WP 3.7 Shopp 1.2.9 Compatibility Fix.php

<?php
add_action('shopp_storefront_init', 'shopp_storefront_wp37_compat');

function shopp_storefront_wp37_compat() {
    add_filter('archive_template', array(ShoppStorefront(), 'pages'));
}