Ошибка Warning: file_exists() expects parameter 1 - Joomla 3.x: Общие вопросы

		/*
			 * The substr() check added to make sure that the realpath()
			 * results in a directory registered so that
			 * non-registered directories are not accessible via directory
			 * traversal attempts.
			 */
			if (file_exists($fullname) && substr($fullname, 0, strlen($path)) == $path)
			{
				return $fullname;
			}
		}

bool(false) bool(false) bool(false) string(76) ".../layouts/joomla/system/message.php" bool(false) bool(false) bool(false) string(76) 
".../layouts/joomla/system/message.php" string(94) 
".../components/com_content/views/featured/view.html.php" string(85) 
".../components/com_content/models/featured.php" string(100) 
".../templates/mysite/html/com_content/featured/default.php" string(105) 
".../templates/mysite/html/com_content/featured/default_item.php"