Fatal error: Uncaught Error: Call to a member function get_allowed_countries() on null in /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php:1394 Stack trace: #0 /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/data-stores/class-wc-customer-data-store-session.php(178): wc_get_customer_default_location() #1 /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/data-stores/class-wc-customer-data-store-session.php(167): WC_Customer_Data_Store_Session->set_defaults(Object(WC_Customer)) #2 /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/class-wc-data-store.php(159): WC_Customer_Data_Store_Session->read(Object(WC_Customer)) #3 /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/class-wc-customer.php(125): WC_Data_Store->read(Object(WC_Customer)) #4 /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/class-woocommerce.php(1044): WC_Customer->__construct(0, true) #5 /home/arvaachin/public_html/wp-content/plu in /home/arvaachin/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php on line 1394