Warning: file_put_contents(/var/www/html/var/cache//mage-tags/mage---b31_CONFIG): Failed to open stream: Permission denied in /var/www/html/vendor/colinmollenhour/cache-backend-file/File.php on line 710

Warning: file_put_contents(/var/www/html/var/cache//mage-tags/mage---b31_MAGE): Failed to open stream: Permission denied in /var/www/html/vendor/colinmollenhour/cache-backend-file/File.php on line 710
ReflectionException: Class "Magento\Framework\App\Http\Interceptor" does not exist in /var/www/html/vendor/magento/framework/Code/Reader/ClassReader.php:34 Stack trace: #0 /var/www/html/vendor/magento/framework/Code/Reader/ClassReader.php(34): ReflectionClass->__construct('Magento\\Framewo...') #1 /var/www/html/vendor/magento/framework/ObjectManager/Definition/Runtime.php(54): Magento\Framework\Code\Reader\ClassReader->getConstructor('Magento\\Framewo...') #2 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(48): Magento\Framework\ObjectManager\Definition\Runtime->getParameters('Magento\\Framewo...') #3 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array) #4 /var/www/html/vendor/magento/framework/App/Bootstrap.php(238): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #5 /var/www/html/pub/index.php(34): Magento\Framework\App\Bootstrap->createApplication('Magento\\Framewo...') #6 {main}