Fatal error: Uncaught Error: Call to undefined function determine_locale() in /usr/home/azuzen.com/web/wp-includes/class-wp-locale-switcher.php:48
Stack trace:
#0 /usr/home/azuzen.com/web/wp-settings.php(473): WP_Locale_Switcher->__construct()
#1 /usr/home/azuzen.com/web/wp-config.php(179): require_once('/usr/home/azuze...')
#2 /usr/home/azuzen.com/web/wp-load.php(37): require_once('/usr/home/azuze...')
#3 /usr/home/azuzen.com/web/wp-blog-header.php(13): require_once('/usr/home/azuze...')
#4 /usr/home/azuzen.com/web/index.php(17): require('/usr/home/azuze...')
#5 {main}
  thrown in /usr/home/azuzen.com/web/wp-includes/class-wp-locale-switcher.php on line 48