Warning: include(/var/www/html/vendor/composer/../magento/framework/App/Cache/Manager.php): failed to open stream: Cannot allocate memory in /var/www/html/vendor/composer/ClassLoader.php on line 444

Warning: include(): Failed opening '/var/www/html/vendor/composer/../magento/framework/App/Cache/Manager.php' for inclusion (include_path='/var/www/html/generated/code:/var/www/html/generated/code:/var/www/html/vendor/magento/zendframework1/library:.:/usr/local/lib/php:/var/www/html/lib/internal') in /var/www/html/vendor/composer/ClassLoader.php on line 444

Fatal error: Uncaught Error: Class 'Magento\Framework\App\Cache\Manager' not found in /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:111 Stack trace: #0 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #1 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...') #2 /var/www/html/vendor/magento/framework/App/ObjectManager/Environment/Compiled.php(120): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Framewo...') #3 /var/www/html/vendor/magento/framework/App/ObjectManagerFactory.php(187): Magento\Framework\App\ObjectManager\Environment\Compiled->configureObjectManager(Object(Magento\Framework\Interception\ObjectManager\Config\Compiled), Array) #4 /var/www/html/vendor/magento/framework/App/Bootstrap.php(209): Magento\Framework\App\ObjectManagerFactory->c in /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 111