Help for Aimeos

yes, i execute

Hi friends i want to install aimeos but it give me following error: [Symfony\Component\Debug\Exception\FatalErrorException] ←[39;49m ←[37;41m Class 'Aimeos\Shop\ShopServiceProvider' not found my project in localhost : xampp\htdocs\aimeosshop\myshop aimeos\aimeos-laravel-master is in vendor composer....