Fatal error: Uncaught Error: Class 'Webkul\SellerSubDomain\Helper\Data' not found in /home/magento2/www/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:116 Stack trace: #0 /home/magento2/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Webkul\\SellerSu...', Array) #1 /home/magento2/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Webkul\\SellerSu...') #2 /home/magento2/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Webkul\\SellerSu...') #3 /home/magento2/www/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Webkul\\SellerSu...') #4 /home/magento2/www/vendor/magento/framework/Interception/PluginList/PluginList.php(250): Magento\Framework\ObjectManager\ObjectManager->get('Webkul\\SellerSu...') in /home/magento2/www/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 116