Notice: Trying to get property 'id' of non-object in /home/zappies/public_html/site/includes/content-shop_category.php on line 10

Fatal error: Uncaught Error: Call to undefined function get_shop_page_id() in /home/zappies/public_html/site/includes/content-shop_category.php:21 Stack trace: #0 /home/zappies/public_html/site/index.php(231): include() #1 /home/zappies/public_html/index.php(2): include_once('/home/zappies/p...') #2 {main} thrown in /home/zappies/public_html/site/includes/content-shop_category.php on line 21