Warning: include(/var/www/html/vendor/magento/framework/Exception/FileSystemException.php): failed to open stream: Too many open files in /var/www/html/vendor/composer/ClassLoader.php on line 444

Warning: include(): Failed opening '/var/www/html/vendor/composer/../magento/framework/Exception/FileSystemException.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') in /var/www/html/vendor/composer/ClassLoader.php on line 444

Fatal error: Uncaught Error: Class 'Magento\Framework\Exception\FileSystemException' not found in /var/www/html/vendor/magento/framework/Filesystem/Driver/File.php:150 Stack trace: #0 /var/www/html/vendor/magento/framework/Filesystem/File/Read.php(103): Magento\Framework\Filesystem\Driver\File->fileGetContents('/var/www/html/a...', NULL, NULL) #1 /var/www/html/vendor/magento/framework/Config/FileIterator.php(71): Magento\Framework\Filesystem\File\Read->readAll() #2 /var/www/html/vendor/magento/framework/Config/Reader/Filesystem.php(148): Magento\Framework\Config\FileIterator->current() #3 /var/www/html/vendor/magento/framework/Config/Reader/Filesystem.php(132): Magento\Framework\Config\Reader\Filesystem->_readFiles(Object(Magento\Framework\Config\FileIterator)) #4 /var/www/html/vendor/magento/framework/App/ObjectManagerFactory.php(279): Magento\Framework\Config\Reader\Filesystem->read('primary') #5 /var/www/html/vendor/magento/framework/App/ObjectManagerFactory.php(140): Magento\Framework\App\ObjectManagerFactory->_loadPr in /var/www/html/vendor/magento/framework/Filesystem/Driver/File.php on line 150