Fatal error: Uncaught Error: Call to undefined function is_blog_installed() in /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/load.php:605
Stack trace:
#0 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-settings.php(151): wp_not_installed()
#1 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-config.php(94): require_once('/mnt/web320/a2/...')
#2 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-load.php(37): require_once('/mnt/web320/a2/...')
#3 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-blog-header.php(13): require_once('/mnt/web320/a2/...')
#4 /mnt/web320/a2/86/54410386/htdocs/wordpress/index.php(17): require('/mnt/web320/a2/...')
#5 {main}
  thrown in /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/load.php on line 605

Fatal error: Uncaught Error: Call to undefined function get_option() in /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/l10n.php:69
Stack trace:
#0 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/l10n.php(136): get_locale()
#1 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/l10n.php(741): determine_locale()
#2 /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/class-wp-fatal-error-handler.php(41): load_default_textdomain()
#3 [internal function]: WP_Fatal_Error_Handler->handle()
#4 {main}
  thrown in /mnt/web320/a2/86/54410386/htdocs/wordpress/wp-includes/l10n.php on line 69