Fatal error: Uncaught Error: Call to undefined function is_shop() in /home/www/schablono.de/wp-content/themes/vantage/inc/extras.php:47 Stack trace: #0 /home/www/schablono.de/wp-includes/class-wp-hook.php(290): vantage_body_classes(Array) #1 /home/www/schablono.de/wp-includes/plugin.php(206): WP_Hook->apply_filters(Array, Array) #2 /home/www/schablono.de/wp-includes/post-template.php(832): apply_filters('body_class', Array, Array) #3 /home/www/schablono.de/wp-includes/post-template.php(591): get_body_class(Array) #4 /home/www/schablono.de/wp-content/themes/vantage-child/header.php(27): body_class() #5 /home/www/schablono.de/wp-includes/template.php(722): require_once('/home/www/schab...') #6 /home/www/schablono.de/wp-includes/template.php(671): load_template('/home/www/schab...', true) #7 /home/www/schablono.de/wp-includes/general-template.php(41): locate_template(Array, true) #8 /home/www/schablono.de/wp-content/themes/vantage-child/page.php(15): get_header() #9 /home/www/schablono.de/wp-includes/template-loader.php(98): in /home/www/schablono.de/wp-content/themes/vantage/inc/extras.php on line 47