I also got this error after add product to cart
Warning: in_array() expects parameter 2 to be array, null given in /home/customer/www/97siakap.com/public_html/wp-content/plugins/foodbook/inc/class-woo-hooks.php on line 491
Warning: Cannot modify header information – headers already sent by (output started at /home/customer/www/97siakap.com/public_html/wp-content/plugins/foodbook/inc/class-woo-hooks.php:491) in /home/customer/www/97siakap.com/public_html/wp-content/plugins/sg-cachepress/core/Supercacher/Supercacher_Helper.php on line 79
