Fatal error: Uncaught Error: Class "Magento\ConfigurableProduct\Block\Adminhtml\Product\Composite\Fieldset\Configurable" not found in /var/www/magento/html/generated/code/Magento/ConfigurableProduct/Block/Adminhtml/Product/Composite/Fieldset/Configurable/Interceptor.php:7 Stack trace: #0 {main} thrown in /var/www/magento/html/generated/code/Magento/ConfigurableProduct/Block/Adminhtml/Product/Composite/Fieldset/Configurable/Interceptor.php on line 7