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Fatal error: Uncaught Error: Call to undefined method WC_Product_Simple::get_available_variations() in /wp-content/themes/html5blank-stable/woocommerce/single-product/product-image.php:128 Stack trace: #0 /wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include() #1 /wp-content/plugins/woocommerce/includes/wc-template-functions.php(1570): wc_get_template('single-product/...') #2 /wp-includes/class-wp-hook.php(324): woocommerce_show_product_images('') #3 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #4 /wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /wp-content/themes/html5blank-stable/woocommerce/content-single-product.php(72): do_action('woocommerce_aft...') #6 /wp-includes/template.php(792): require('/wp-content/the...') #7 /wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template('//wp-content/th...', false) #8 /wp-content/themes/html5blank-stable/woocommerce/single-product.php(46): wc_get_template_part('content', 'single-product') #9 /w in /wp-content/themes/html5blank-stable/woocommerce/single-product/product-image.php on line 128