Fatal error: Uncaught Error: Undefined class constant 'STORE_ID_OPTION' in /home/lily-design/www/lily-design.com/wp-content/plugins/woocommerce-for-japan/includes/class-jp4wc-usage-tracking.php:136 Stack trace: #0 /home/lily-design/www/lily-design.com/wp-content/plugins/woocommerce-for-japan/includes/class-jp4wc-usage-tracking.php(74): JP4WC_Tracker::get_tracking_data() #1 /home/lily-design/www/lily-design.com/wp-content/plugins/woocommerce-for-japan/includes/class-jp4wc-install.php(92): JP4WC_Tracker::jp4wc_send_tracking_data(true) #2 /home/lily-design/www/lily-design.com/wp-content/plugins/woocommerce-for-japan/includes/class-jp4wc-install.php(58): JP4WC_Install::update_jp4wc_version() #3 /home/lily-design/www/lily-design.com/wp-content/plugins/woocommerce-for-japan/includes/class-jp4wc-install.php(30): JP4WC_Install::install() #4 /home/lily-design/www/lily-design.com/wp-includes/class-wp-hook.php(308): JP4WC_Install::check_version('') #5 /home/lily-design/www/lily-design.com/wp-includes/class-wp-hook.php(332): WP_Hook- in /home/lily-design/www/lily-design.com/wp-content/plugins/woocommerce-for-japan/includes/class-jp4wc-usage-tracking.php on line 136