Fatal error: Uncaught Error: Class "Amasty\Base\Block\Adminhtml\System\Config\Form\Field\Promo\PromoField" not found in /home/hazalgifts/public_html/app/code/Amasty/Blog/Block/Adminhtml/System/Config/Rss.php:17 Stack trace: #0 /home/hazalgifts/public_html/vendor/composer/ClassLoader.php(576): include() #1 /home/hazalgifts/public_html/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #2 [internal function]: Composer\Autoload\ClassLoader->loadClass() #3 /home/hazalgifts/public_html/vendor/magento/framework/ObjectManager/Relations/Runtime.php(38): class_exists() #4 /home/hazalgifts/public_html/vendor/magento/framework/Interception/Config/Config.php(157): Magento\Framework\ObjectManager\Relations\Runtime->has() #5 /home/hazalgifts/public_html/vendor/magento/framework/Interception/Config/Config.php(180): Magento\Framework\Interception\Config\Config->_inheritInterception() #6 /home/hazalgifts/public_html/vendor/magento/framework/Interception/Config/Config.php(213): Magento\Framework\Interception\Config\Config->hasPlugins() #7 /home/hazalgifts/public_html/vendor/magento/framework/Interception/Config/Config.php(190): Magento\Framework\Interception\Config\Config->generateIntercepted() #8 /home/hazalgifts/public_html/vendor/magento/framework/Interception/Config/Config.php(122): Magento\Framework\Interception\Config\Config->initializeUncompiled() #9 /home/hazalgifts/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Interception\Config\Config->__construct() #10 /home/hazalgifts/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject() #11 /home/hazalgifts/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(73): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #12 /home/hazalgifts/public_html/vendor/magento/framework/App/ObjectManager/Environment/Developer.php(84): Magento\Framework\ObjectManager\ObjectManager->get() #13 /home/hazalgifts/public_html/vendor/magento/framework/App/ObjectManagerFactory.php(191): Magento\Framework\App\ObjectManager\Environment\Developer->configureObjectManager() #14 /home/hazalgifts/public_html/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create() #15 /home/hazalgifts/public_html/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct() #16 /home/hazalgifts/public_html/pub/get.php(76): Magento\Framework\App\Bootstrap::create() #17 {main} thrown in /home/hazalgifts/public_html/app/code/Amasty/Blog/Block/Adminhtml/System/Config/Rss.php on line 17