Fatal error: Uncaught Error: Class 'WP_Async_Request' not found in /home/ignas/public_html/ignas/wp-content/plugins/astra-sites/inc/importers/batch-processing/helpers/class-wp-background-process.php:21 Stack trace: #0 {main} thrown in /home/ignas/public_html/ignas/wp-content/plugins/astra-sites/inc/importers/batch-processing/helpers/class-wp-background-process.php on line 21