Laravel issue: Fatal error: Class 'Symfony\Component\Finder\Adapter\AbstractAdapter' not found

when I upload my laravel project on hostinger. I got that type of error:

Fatal error: Class 'Symfony\Component\Finder\Adapter\AbstractAdapter' not found in /home/u855555878/public_html/buildcrm/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php on line 28.

but its working on wamp. what is issue on hostinger.

via Chebli Mohamed