Fatal error: Uncaught Error: Class 'Mageplaza\Osc\Observer\Block' not found in /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/ObjectManager/Factory/AbstractFactory.php:121 Stack trace: #0 /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Mageplaza\\Osc\\O...', Array) #1 /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Mageplaza\\Osc\\O...') #2 /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/Event/ObserverFactory.php(33): Magento\Framework\ObjectManager\ObjectManager->get('Mageplaza\\Osc\\O...') #3 /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/Event/Invoker/InvokerDefault.php(72): Magento\Framework\Event\ObserverFactory->get('Mageplaza\\Osc\\O...') #4 /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/Event/Manager.php(66) in /home2/shaped6/public_html/latest/lib/internal/Magento/Framework/ObjectManager/Factory/AbstractFactory.php on line 121