Fatal error: Uncaught Error: Class "ActionScheduler_QueueCleaner" not found in /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler_Abstract_QueueRunner.php:40 Stack trace: #0 /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.php(40): ActionScheduler_Abstract_QueueRunner->__construct(NULL, NULL, NULL) #1 /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.php(27): ActionScheduler_QueueRunner->__construct() #2 /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler.php(37): ActionScheduler_QueueRunner::instance() #3 /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler.php(147): ActionScheduler::runner() #4 /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/action-scheduler.php(60): ActionScheduler::init('/srv/users/atla...') #5 /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/ActionScheduler_Versions.php(59): action_scheduler_initialize_3_dot_8_dot_1() #6 /srv/users/atlassian/apps/atlassianstaging/public/wp-includes/class-wp-hook.php(322): ActionScheduler_Versions::initialize_latest_version() #7 /srv/users/atlassian/apps/atlassianstaging/public/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #8 /srv/users/atlassian/apps/atlassianstaging/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /srv/users/atlassian/apps/atlassianstaging/public/wp-settings.php(578): do_action('plugins_loaded') #10 /srv/users/atlassian/apps/atlassianstaging/public/wp-config.php(106): require_once('/srv/users/atla...') #11 /srv/users/atlassian/apps/atlassianstaging/public/wp-load.php(50): require_once('/srv/users/atla...') #12 /srv/users/atlassian/apps/atlassianstaging/public/wp-blog-header.php(13): require_once('/srv/users/atla...') #13 /srv/users/atlassian/apps/atlassianstaging/public/index.php(17): require('/srv/users/atla...') #14 {main} thrown in /srv/users/atlassian/apps/atlassianstaging/public/wp-content/plugins/stream/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler_Abstract_QueueRunner.php on line 40