Fatal error: Uncaught Magento\Framework\Exception\FileSystemException: The "/var/www/html/app/code/Ests/upsauth2/etc/di.xml" file doesn't exist. in /var/www/html/vendor/magento/framework/Filesystem/File/Read.php:76 Stack trace: #0 /var/www/html/vendor/magento/framework/Filesystem/File/Read.php(62): Magento\Framework\Filesystem\File\Read->assertValid() #1 /var/www/html/vendor/magento/framework/Filesystem/File/Read.php(52): Magento\Framework\Filesystem\File\Read->open() #2 /var/www/html/vendor/magento/framework/Filesystem/File/ReadFactory.php(45): Magento\Framework\Filesystem\File\Read->__construct() #3 /var/www/html/vendor/magento/framework/Config/FileIterator.php(70): Magento\Framework\Filesystem\File\ReadFactory->create() #4 /var/www/html/vendor/magento/framework/Config/Reader/Filesystem.php(148): Magento\Framework\Config\FileIterator->current() #5 /var/www/html/vendor/magento/framework/Config/Reader/Filesystem.php(132): Magento\Framework\Config\Reader\Filesystem->_readFiles() #6 /var/www/html/generated/code/Magento/Fram in /var/www/html/vendor/magento/framework/Filesystem/File/Read.php on line 76