Fatal error: Uncaught Error: Call to undefined function is_mobile() in /home/zanderpe/outvitro.se/wp-content/themes/shopkeeper-child/functions.php:192 Stack trace: #0 /home/zanderpe/outvitro.se/wp-includes/shortcodes.php(325): adding_is_mobile_video_youtube(Array, '', 'is-mobile_video...') #1 [internal function]: do_shortcode_tag(Array) #2 /home/zanderpe/outvitro.se/wp-includes/shortcodes.php(199): preg_replace_callback('/\\[(\\[?)(is\\-mo...', 'do_shortcode_ta...', '<p><center>[is-...') #3 /home/zanderpe/outvitro.se/wp-content/plugins/js_composer/include/helpers/helpers.php(236): do_shortcode('<p><center>[is-...') #4 /home/zanderpe/outvitro.se/wp-content/plugins/js_composer/include/templates/shortcodes/vc_column_text.php(31): wpb_js_remove_wpautop('<p><center>[is-...', true) #5 /home/zanderpe/outvitro.se/wp-content/plugins/js_composer/include/classes/shortcodes/shortcodes.php(478): include('/home/zanderpe/...') #6 /home/zanderpe/outvitro.se/wp-content/plugins/js_composer/include/classes/shortcodes/shortcodes.php(458): WP in /home/zanderpe/outvitro.se/wp-content/themes/shopkeeper-child/functions.php on line 192