Fatal error: Uncaught Error: Call to undefined function get_header() in /usr/www/tradeitweb/public/TradeIT/storefront/wp-content/themes/twentyfifteen/index.php:17
Stack trace:
#0 {main}
thrown in /usr/www/tradeitweb/public/TradeIT/storefront/wp-content/themes/twentyfifteen/index.php on line 17