Fatal error: Uncaught Error: Class 'Lof\CouponCode\Model\CouponFactory' not found in /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:121 Stack trace: #0 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Lof\\CouponCode\\...', Array) #1 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Lof\\CouponCode\\...') #2 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Lof\\CouponCode\\...') #3 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Lof\\CouponCode\\...') #4 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(125): Magento\Framework\ObjectManager\F in /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 121