Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "IG_recalculate_price" not found or invalid function name in /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php:324 Stack trace: #0 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #1 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/plugin.php(517): WP_Hook->do_action() #2 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1406): do_action() #3 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php(322): WC_Cart->calculate_totals() #4 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #5 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/plugin.php(517): WP_Hook->do_action() #6 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1286): do_action() #7 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(842): WC_Cart->add_to_cart() #8 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(814): WC_Form_Handler::add_to_cart_handler_simple() #9 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php(324): WC_Form_Handler::add_to_cart_action() #10 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #11 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/plugin.php(517): WP_Hook->do_action() #12 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-settings.php(665): do_action() #13 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-config.php(121): require_once('/homepages/19/d...') #14 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-load.php(50): require_once('/homepages/19/d...') #15 /homepages/19/d678783701/htdocs/FidelityWebsites/wp-blog-header.php(13): require_once('/homepages/19/d...') #16 /homepages/19/d678783701/htdocs/FidelityWebsites/index.php(17): require('/homepages/19/d...') #17 {main} thrown in /homepages/19/d678783701/htdocs/FidelityWebsites/wp-includes/class-wp-hook.php on line 324