Fatal error: Uncaught Error: Class 'Atom\CartSync\Model\ApiSync' not found in /home/magento/html_m/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:116 Stack trace: #0 /home/magento/html_m/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Atom\\CartSync\\M...', Array) #1 /home/magento/html_m/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Atom\\CartSync\\M...') #2 /home/magento/html_m/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Atom\\CartSync\\M...') #3 /home/magento/html_m/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Atom\\CartSync\\O...') #4 /home/magento/html_m/vendor/magento/framework/Event/ObserverFactory.php(33): Magento\Framework\ObjectManager\ObjectManager->get('Atom\\CartSync\\O...') #5 in /home/magento/html_m/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 116