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Fatal error: Uncaught Error: Call to undefined method WC_Product_Simple::get_available_variations() in /home/festival/public_html/wp-content/themes/it-lion-theme/functions.php:237 Stack trace: #0 /home/festival/public_html/wp-includes/class-wp-hook.php(324): itlion_button_projections('') #1 /home/festival/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #2 /home/festival/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /home/festival/public_html/wp-content/themes/it-lion-theme/woocommerce/content-single-product.php(91): do_action('itlion_generate...') #4 /home/festival/public_html/wp-includes/template.php(812): require('/home/festival/...') #5 /home/festival/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template('/home/festival/...', false) #6 /home/festival/public_html/wp-content/themes/it-lion-theme/woocommerce/single-product.php(40): wc_get_template_part('content', 'single-product') #7 /home/festival/public_html/wp-includes/tem in /home/festival/public_html/wp-content/themes/it-lion-theme/functions.php on line 237