Fatal error: Uncaught Error: Call to undefined function WC() in /homepages/1/d375411655/htdocs/app375411671/wp-content/themes/moon-by-osetin/page-checkout.php:23 Stack trace: #0 /homepages/1/d375411655/htdocs/app375411671/wp-includes/template-loader.php(106): include() #1 /homepages/1/d375411655/htdocs/app375411671/wp-blog-header.php(19): require_once('/homepages/1/d3...') #2 /homepages/1/d375411655/htdocs/app375411671/index.php(17): require('/homepages/1/d3...') #3 {main} thrown in /homepages/1/d375411655/htdocs/app375411671/wp-content/themes/moon-by-osetin/page-checkout.php on line 23