Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, array must have exactly two members in /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-hook.php:324 Stack trace: #0 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/plugin.php(205): WP_Hook->apply_filters() #1 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/kses.php(2334): apply_filters() #2 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-theme-json.php(3210): safecss_filter_attr() #3 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-theme-json.php(1476): WP_Theme_JSON::is_safe_css_declaration() #4 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-theme-json.php(1230): WP_Theme_JSON->get_layout_styles() #5 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/global-styles-and-settings.php(234): WP_Theme_JSON->get_stylesheet() #6 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/script-loader.php(2507): wp_get_global_stylesheet() #7 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-hook.php(324): wp_enqueue_global_styles() #8 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #9 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/plugin.php(517): WP_Hook->do_action() #10 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/script-loader.php(2265): do_action() #11 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-hook.php(324): wp_enqueue_scripts() #12 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #13 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/plugin.php(517): WP_Hook->do_action() #14 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/general-template.php(3050): do_action() #15 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-content/themes/yootheme/header.php(113): wp_head() #16 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/template.php(810): require_once('...') #17 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/template.php(745): load_template() #18 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/general-template.php(48): locate_template() #19 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-content/themes/yootheme/page.php(10): get_header() #20 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/template-loader.php(106): include('...') #21 /mnt/web313/e0/87/51012987/htdocs/jobs/wp-blog-header.php(19): require_once('...') #22 /mnt/web313/e0/87/51012987/htdocs/jobs/index.php(17): require('...') #23 {main} thrown in /mnt/web313/e0/87/51012987/htdocs/jobs/wp-includes/class-wp-hook.php on line 324