Fatal error: Uncaught Error: Class 'Smile\TestDelete\Block\DeleteForm' not found in /var/www/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:121 Stack trace: #0 /var/www/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Smile\\TestDelet...', Array) #1 /var/www/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create('Smile\\TestDelet...', Array) #2 /var/www/vendor/magento/framework/View/Element/BlockFactory.php(46): Magento\Framework\ObjectManager\ObjectManager->create('Smile\\TestDelet...', Array) #3 /var/www/vendor/magento/framework/View/Layout/Generator/Block.php(272): Magento\Framework\View\Element\BlockFactory->createBlock('Smile\\TestDelet...', Array) #4 /var/www/vendor/magento/framework/View/Layout/Generator/Block.php(252): Magento\Framework\View\Layout\Generator\Block->getBlockInstance('Smile\\TestDelet...', Array) #5 /var/www/vendor/magento/framewo in /var/www/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 121