问安装magento 2并安装撒哈拉主题

EN

安装了快速安装的撒哈拉主题，但我得到了一些错误

致命错误:无法实例化C:\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php:50堆栈跟踪中的接口C:\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\ObjectManager.php(70)：Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\Framewo...')：#0 C：\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\ObjectManager.php(70)：Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create(‘Magento\Framewo...’) #1 C：\xampp\htdocs\magento-存储\C：\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php:50\magento\framework\ObjectManager\Config\Config.php(345)：Magento\Framework\ObjectManager\ObjectManager->get('Magento\Framewo...') #2 C:\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\Config\Config.php(276)：Magento\Framework\ObjectManager\Config\Config->getSerializer() #3 C:\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\ObjectManager.php(84)：Magento\Framework\ObjectManager\Config\Config->extend(Array)#4 C:\xampp\htdocs\magento-store\vendor\magento\framework\App\ObjectManager\Environment\Developer.php(79)：Magento\Framework\ObjectManager\Objec在第50行的C:\xampp\htdocs\magento-store\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php中

任何一个人都会面对这个问题，所以请告诉我是谁解决了这个问题，我在这个问题上陷得很深。