Fatal error: Uncaught Error: Class "ActionScheduler_AsyncRequest_QueueRunner" not found in /htdocs/wp-content/plugins/wpforms-lite/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.php:59
Stack trace:
#0 /htdocs/wp-content/plugins/wpforms-lite/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.php(41): ActionScheduler_QueueRunner->__construct()
#1 /htdocs/wp-content/plugins/wpforms-lite/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler.php(69): ActionScheduler_QueueRunner::instance()
#2 /htdocs/wp-content/plugins/wpforms-lite/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler.php(189): ActionScheduler::runner()
#3 /htdocs/wp-content/plugins/wpforms-lite/vendor/woocommerce/action-scheduler/action-scheduler.php(60): ActionScheduler::init('/htdocs/wp-cont...')
#4 /htdocs/wp-content/plugins/wp-mail-smtp/vendor/woocommerce/action-scheduler/classes/ActionScheduler_Versions.php(115): action_scheduler_initialize_3_dot_9_dot_3()
#5 /htdocs/wp-includes/class-wp-hook.php(339): ActionScheduler_Versions::initialize_latest_version()
#6 /htdocs/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array)
#7 /htdocs/wp-includes/plugin.php(522): WP_Hook->do_action(Array)
#8 /htdocs/wp-settings.php(622): do_action('plugins_loaded')
#9 /htdocs/wp-config.php(98): require_once('/htdocs/wp-sett...')
#10 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#11 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#12 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#13 {main}
thrown in /htdocs/wp-content/plugins/wpforms-lite/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.php on line 59