Fatal error: Uncaught Error: Call to undefined function is_shop() in /var/www/tecmatag.dk/public_html/wp-content/themes/roof/inc/frontend-functions.php:521 Stack trace: #0 /var/www/tecmatag.dk/public_html/wp-content/themes/roof/layouts/header/title-bar.php(98): roof_title_area() #1 /var/www/tecmatag.dk/public_html/wp-includes/template.php(812): require('/var/www/tecmat...') #2 /var/www/tecmatag.dk/public_html/wp-includes/template.php(745): load_template('/var/www/tecmat...', false, Array) #3 /var/www/tecmatag.dk/public_html/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #4 /var/www/tecmatag.dk/public_html/wp-content/themes/roof/archive.php(8): get_template_part('layouts/header/...', 'bar') #5 /var/www/tecmatag.dk/public_html/wp-includes/template-loader.php(106): include('/var/www/tecmat...') #6 /var/www/tecmatag.dk/public_html/wp-blog-header.php(19): require_once('/var/www/tecmat...') #7 /var/www/tecmatag.dk/public_html/index.php(17): require('/var/www/tecmat...') #8 {main} thrown in /var/www/tecmatag.dk/public_html/wp-content/themes/roof/inc/frontend-functions.php on line 521