Fatal error: Uncaught exception 'Dropbox_Exception' with message 'The OAuth class could not be found! Did you install and enable the oauth extension?' in /home/dasudasu/vendor/dropbox-php/dropbox-php/src/Dropbox/OAuth/PHP.php:36 Stack trace: #0 /home/dasudasu/www/dropbox_20151108/index.php(10): Dropbox_OAuth_PHP->__construct(NULL, NULL) #1 {main} thrown in /home/dasudasu/vendor/dropbox-php/dropbox-php/src/Dropbox/OAuth/PHP.php on line 36