RuntimeException: Can't create directory /var/www/html/generated/code/Magento/Framework/App/Http/.
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. in /var/www/html/vendor/magento/framework/Code/Generator.php:135
Stack trace:
#0 /var/www/html/vendor/magento/framework/Code/Generator/Autoloader.php(35): Magento\Framework\Code\Generator->generateClass('Magento\\Framewo...')
#1 [internal function]: Magento\Framework\Code\Generator\Autoloader->load('Magento\\Framewo...')
#2 [internal function]: spl_autoload_call('Magento\\Framewo...')
#3 /var/www/html/vendor/magento/framework/Code/Reader/ClassReader.php(19): ReflectionClass->__construct('Magento\\Framewo...')
#4 /var/www/html/vendor/magento/framework/ObjectManager/Definition/Runtime.php(44): Magento\Framework\Code\Reader\ClassReader->getConstructor('Magento\\Framewo...')
#5 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(48): Magento\Framework\ObjectManager\Definition\Runtime->getParameters('Magento\\Framewo...')
#6 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array)
#7 /var/www/html/vendor/magento/framework/App/Bootstrap.php(233): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array)
#8 /var/www/html/index.php(38): Magento\Framework\App\Bootstrap->createApplication('Magento\\Framewo...')
#9 {main}