Fatal error: Uncaught Error: Function name must be a string in /var/www/v.melqonyan/data/www/zeelproject.com/engine/classes/plugins.class.php:27
Stack trace:
#0 /var/www/v.melqonyan/data/www/zeelproject.com/index.php(27): require_once()
#1 {main}
  thrown in /var/www/v.melqonyan/data/www/zeelproject.com/engine/classes/plugins.class.php on line 27