Fatal error: Uncaught Error: Call to undefined function WPM\Includes\Integrations\is_product_category() in /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wp-multilang/includes/integrations/class-wpm-yoast-seo.php:558 Stack trace: #0 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/class-wp-hook.php(326): WPM\Includes\Integrations\WPM_Yoast_Seo->wpm_translate_opengraph_image('https://www.ann...') #1 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/plugin.php(205): WP_Hook->apply_filters('https://www.ann...', Array) #2 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wordpress-seo/src/presenters/open-graph/image-presenter.php(102): apply_filters('wpseo_opengraph...', 'https://www.ann...', Object(Yoast\WP\SEO\Presentations\Indexable_Static_Posts_Page_Presentation)) #3 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wordpress-seo/src/presenters/open-graph/image-presenter.php(79): Yoast\WP\SEO\Presenters\Open_Graph\Image_Presenter->filter(Array) #4 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wordpress-seo/src/presenters/open-graph/image-presenter.php(37): Yoast\WP\SEO\Presenters\Open_Graph\Image_Presenter->get() #5 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(406): Yoast\WP\SEO\Presenters\Open_Graph\Image_Presenter->present() #6 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/class-wp-hook.php(324): Yoast\WP\SEO\Integrations\Front_End_Integration->present_head('') #7 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #8 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(377): do_action('wpseo_head') #10 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/class-wp-hook.php(324): Yoast\WP\SEO\Integrations\Front_End_Integration->call_wpseo_head('') #11 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #12 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #13 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/general-template.php(3052): do_action('wp_head') #14 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/themes/asra/header.php(12): wp_head() #15 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/template.php(790): require_once('/customers/3/1/...') #16 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/template.php(725): load_template('/customers/3/1/...', true, Array) #17 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #18 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/themes/asra/index.php(2): get_header() #19 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-includes/template-loader.php(106): include('/customers/3/1/...') #20 /customers/3/1/c/annikaschlicht.com/httpd.www/wp-blog-header.php(19): require_once('/customers/3/1/...') #21 /customers/3/1/c/annikaschlicht.com/httpd.www/index.php(17): require('/customers/3/1/...') #22 {main} thrown in /customers/3/1/c/annikaschlicht.com/httpd.www/wp-content/plugins/wp-multilang/includes/integrations/class-wpm-yoast-seo.php on line 558