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