Fatal error: Uncaught Error: Class "MPHB\Libraries\WP_Background_Processing\WP_Async_Request" not found in /home/handioas/www/wp-content/plugins/mphb-invoices/classes/update/patches/plugin-patch_1_4_1.php:11 Stack trace: #0 {main} thrown in /home/handioas/www/wp-content/plugins/mphb-invoices/classes/update/patches/plugin-patch_1_4_1.php on line 11