Fatal error: Uncaught Error: Call to undefined function create_function() in /customers/9/c/d/appforalt.no/httpd.www/wp-includes/pomo/translations.php:208
Stack trace:
#0 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/pomo/translations.php(269): Gettext_Translations->make_plural_form_function(2, '$n != 1')
#1 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/pomo/translations.php(69): Gettext_Translations->set_header('Plural-Forms', 'nplurals=2; plu...')
#2 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/pomo/mo.php(248): Translations->set_headers(Array)
#3 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/pomo/mo.php(27): MO->import_from_reader(Object(POMO_FileReader))
#4 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/l10n.php(557): MO->import_from_file('/customers/9/c/...')
#5 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/l10n.php(686): load_textdomain('jetpack', '/customers/9/c/...')
#6 /customers/9/c/d/appforalt.no/httpd.www/wp-content/plugins/jetpack/class.jetpack.php(766): load_plugin_textdomain('jetpack', false, 'jetpack/languag...')
#7 /customers/9/c/d/appforalt.no/httpd.www/wp-content/plugins/jetpack/class.jetpack.php(295): Jetpack::plugin_textdomain()
#8 /customers/9/c/d/appforalt.no/httpd.www/wp-content/plugins/jetpack/modules/json-api.php(12): Jetpack::init()
#9 /customers/9/c/d/appforalt.no/httpd.www/wp-content/plugins/jetpack/class.jetpack.php(1142): require('/customers/9/c/...')
#10 /customers/9/c/d/appforalt.no/httpd.www/wp-includes/plugin.php(525): Jetpack::load_modules('')
#11 /customers/9/c/d/appforalt.no/httpd.www/wp-settings.php(276): do_action('plugins_loaded')
#12 /customers/9/c/d/appforalt.no/httpd.www/wp-config.php(90): require_once('/customers/9/c/...')
#13 /customers/9/c/d/appforalt.no/httpd.www/wp-load.php(37): require_once('/customers/9/c/...')
#14 /customers/9/c/d/appforalt.no/httpd.www/wp-blog-header.php(12): require_once('/customers/9/c/...')
#15 /customers/9/c/d/appforalt.no/httpd.www/index.php(17): require('/customers/9/c/...')
#16 {main}
  thrown in /customers/9/c/d/appforalt.no/httpd.www/wp-includes/pomo/translations.php on line 208