Fatal error: Uncaught Error: Call to undefined function wp_cache_get() in /volumeUSB1/usbshare/wordpress/wp-includes/option.php:165
Stack trace:
#0 /volumeUSB1/usbshare/wordpress/wp-includes/l10n.php(63): get_option('WPLANG')
#1 /volumeUSB1/usbshare/wordpress/wp-includes/l10n.php(139): get_locale()
#2 /volumeUSB1/usbshare/wordpress/wp-includes/l10n.php(766): determine_locale()
#3 /volumeUSB1/usbshare/wordpress/wp-includes/load.php(1395): load_textdomain('default', '/volumeUSB1/usb...')
#4 /volumeUSB1/usbshare/wordpress/wp-includes/class-wpdb.php(1815): wp_load_translations_early()
#5 /volumeUSB1/usbshare/wordpress/wp-includes/class-wpdb.php(734): wpdb->db_connect()
#6 /volumeUSB1/usbshare/wordpress/wp-includes/load.php(562): wpdb->__construct('wordpress_user', 'Rladjwlsdiq1!!!', 'wordpress', 'localhost:/run/...')
#7 /volumeUSB1/usbshare/wordpress/wp-settings.php(124): require_wp_db()
#8 /volumeUSB1/usbshare/wordpress/wp-config.php(90): require_once('/volumeUSB1/usb...')
#9 /volumeUSB1/usbshare/wordpress/wp-load.php(50): r in /volumeUSB1/usbshare/wordpress/wp-includes/option.php on line 165

Fatal error: Uncaught Error: Call to a member function set() on null in /volumeUSB1/usbshare/wordpress/wp-includes/l10n.php:784
Stack trace:
#0 /volumeUSB1/usbshare/wordpress/wp-includes/l10n.php(872): load_textdomain('default', '/volumeUSB1/usb...', 'ko_KR')
#1 /volumeUSB1/usbshare/wordpress/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
  thrown in /volumeUSB1/usbshare/wordpress/wp-includes/l10n.php on line 784