Fatal error: Uncaught RuntimeException: The specified "/var/www/pcm/generated/code/Magento/Payment/Model/Method/ConfigInterfaceFactory.php.21028" file could not be written Warning!file_put_contents(/var/www/pcm/generated/code/Magento/Payment/Model/Method/ConfigInterfaceFactory.php.21028): failed to open stream: Permission denied in [Magento\Payment\Model\Method\ConfigInterfaceFactory] in /var/www/pcm/lib/internal/Magento/Framework/Code/Generator.php:115 Stack trace: #0 /var/www/pcm/lib/internal/Magento/Framework/Code/Generator/Autoloader.php(35): Magento\Framework\Code\Generator->generateClass('Magento\\Payment...') #1 [internal function]: Magento\Framework\Code\Generator\Autoloader->load('Magento\\Payment...') #2 [internal function]: spl_autoload_call('Magento\\Payment...') #3 /var/www/pcm/lib/internal/Magento/Framework/ObjectManager/Relations/Runtime.php(38): class_exists('Magento\\Payment...') #4 /var/www/pcm/lib/internal/Magento/Framework/Interception/Config/Config.php(166): Magento\Framework\ObjectManager\Relations\R in /var/www/pcm/lib/internal/Magento/Framework/Code/Generator.php on line 115