Fatal error: Uncaught Error: Call to undefined function twentyseventeen_should_show_featured_image() in /html/wp-content/themes/twentyseventeen/header.php:50 Stack trace: #0 /html/wp-includes/template.php(790): require_once() #1 /html/wp-includes/template.php(725): load_template() #2 /html/wp-includes/general-template.php(48): locate_template() #3 /html/wp-content/themes/twentyseventeen/front-page.php(15): get_header() #4 /html/wp-includes/template-loader.php(106): include('...') #5 /html/wp-blog-header.php(19): require_once('...') #6 /html/index.php(17): require('...') #7 {main} thrown in /html/wp-content/themes/twentyseventeen/header.php on line 50