Fatal error: Out of memory (allocated 18874368) (tried to allocate 32768 bytes) in /var/www/html/wp-includes/nav-menu.php on line 1168
Fatal error: Uncaught Error: Call to a member function set() on null in /var/www/html/wp-includes/l10n.php:806
Stack trace:
#0 /var/www/html/wp-includes/l10n.php(900): load_textdomain('default', '/var/www/html/w...', 'ja')
#1 /var/www/html/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
thrown in /var/www/html/wp-includes/l10n.php on line 806