Fatal error: Uncaught Error: Call to undefined function define() in /var/www/html/site.revistas.udea.edu.co/lib/pkp/includes/bootstrap.inc.php:27
Stack trace:
#0 /var/www/html/site.revistas.udea.edu.co/index.php(65): require()
#1 {main}
thrown in /var/www/html/site.revistas.udea.edu.co/lib/pkp/includes/bootstrap.inc.php on line 27