Fatal error: Uncaught Error: Call to undefined function create_function() in /home/.sites/128/site2454899/web/staging/wp-includes/pomo/translations.php:208
Stack trace:
#0 /home/.sites/128/site2454899/web/staging/wp-includes/pomo/translations.php(269): Gettext_Translations->make_plural_form_function(2, '($n != 1)')
#1 /home/.sites/128/site2454899/web/staging/wp-includes/pomo/translations.php(69): Gettext_Translations->set_header('Plural-Forms', 'nplurals=2; plu...')
#2 /home/.sites/128/site2454899/web/staging/wp-includes/pomo/mo.php(248): Translations->set_headers(Array)
#3 /home/.sites/128/site2454899/web/staging/wp-includes/pomo/mo.php(27): MO->import_from_reader(Object(POMO_FileReader))
#4 /home/.sites/128/site2454899/web/staging/wp-includes/l10n.php(557): MO->import_from_file('/home/.sites/12...')
#5 /home/.sites/128/site2454899/web/staging/wp-includes/l10n.php(686): load_textdomain('responsive-menu', '/home/.sites/12...')
#6 /home/.sites/128/site2454899/web/staging/wp-content/plugins/responsive-menu/app/controllers/GlobalController.php(59): load_plugin_textdomain('responsive-menu', false, 'responsive-menu...')
#7 /home/.sites/128/site2454899/web/staging/wp-includes/plugin.php(525): RM_GlobalController::Internationalise('')
#8 /home/.sites/128/site2454899/web/staging/wp-settings.php(276): do_action('plugins_loaded')
#9 /home/.sites/128/site2454899/web/staging/wp-config.php(84): require_once('/home/.sites/12...')
#10 /home/.sites/128/site2454899/web/staging/wp-load.php(37): require_once('/home/.sites/12...')
#11 /home/.sites/128/site2454899/web/staging/wp-blog-header.php(12): require_once('/home/.sites/12...')
#12 /home/.sites/128/site2454899/web/staging/index.php(17): require('/home/.sites/12...')
#13 {main}
  thrown in /home/.sites/128/site2454899/web/staging/wp-includes/pomo/translations.php on line 208