Fatal error: Uncaught Error: Call to undefined function register_meta() in /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-content/plugins/wordpress-seo/inc/class-wpseo-meta.php:267
Stack trace:
#0 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-content/plugins/wordpress-seo/wp-seo-main.php(340): WPSEO_Meta::init()
#1 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-includes/class-wp-hook.php(324): wpseo_init('')
#2 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#3 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-settings.php(578): do_action('plugins_loaded')
#5 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-config.php(102): require_once('/customers/a/4/...')
#6 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-load.php(50): require_once('/customers/a/4/...')
#7 /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-blog-header.php(13): require_once('/customers/a/4/...')
#8 /customers/a/4/8/vildmedvilje.dk/httpd.www/index.php(17): require('/customers/a/4/...')
#9 {main}
  thrown in /customers/a/4/8/vildmedvilje.dk/httpd.www/wp-content/plugins/wordpress-seo/inc/class-wpseo-meta.php on line 267