Fatal error: Uncaught Error: Class "Magento\ConfigurableProduct\Model\ResourceModel\Attribute\OptionSelectBuilder" not found in /var/www/magento/html/generated/code/Magento/ConfigurableProduct/Model/ResourceModel/Attribute/OptionSelectBuilder/Interceptor.php:7
Stack trace:
#0 {main}
thrown in /var/www/magento/html/generated/code/Magento/ConfigurableProduct/Model/ResourceModel/Attribute/OptionSelectBuilder/Interceptor.php on line 7