Fatal error: Uncaught Error: Undefined constant "RSS_FEED_TITLE" in /var/www/php/classes/blog.php:698
Stack trace:
#0 /var/www/php/classes/router.php(99): Blog->generateFeed()
#1 /var/www/index.php(37): Router->route()
#2 {main}
thrown in /var/www/php/classes/blog.php on line 698