Fatal error: Uncaught Error: Call to a member function set() on null

Hi,

Getting PHP fatal error on your plugin latest version 1.8.0

 Fatal error: Uncaught Error: Call to a member function set() on null
in /home/mydevdevelopbudd/public_html/wp-content/plugins/oribi-analytics-for-woocommerce/oribi-analytics-ecommerce.php on line 212
Call stack:
Oribi_Event_Tracker::oribi_track_woocommerce_purchase()
wp-content/plugins/oribi-analytics-for-woocommerce/oribi-analytics-ecommerce.php:125
Oribi_Event_Tracker::oribi_track_woocommerce_payment_complete()
wp-includes/class-wp-hook.php:292
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:316
WP_Hook::do_action()
wp-includes/plugin.php:484
do_action()
wp-content/plugins/woocommerce/includes/class-wc-order.php:121
WC_Order::payment_complete()
wp-content/plugins/woocommerce-gateway-stripe/includes/abstracts/abstract-wc-stripe-payment-gateway.php:459
WC_Stripe_Payment_Gateway::process_response()
wp-content/plugins/woocommerce-gateway-stripe/includes/compat/class-wc-stripe-subs-compat.php:380
WC_Stripe_Subs_Compat::process_subscription_payment()
wp-content/plugins/woocommerce-gateway-stripe/includes/compat/class-wc-stripe-subs-compat.php:225
WC_Stripe_Subs_Compat::scheduled_subscription_payment()
wp-includes/class-wp-hook.php:292
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:316
WP_Hook::do_action()
wp-includes/plugin.php:484
do_action()
wp-content/plugins/woocommerce-subscriptions/includes/gateways/class-wc-subscriptions-payment-gateways.php:222
WC_Subscriptions_Payment_Gateways::trigger_gateway_renewal_payment_hook()
wp-content/plugins/woocommerce-subscriptions/includes/gateways/class-wc-subscriptions-payment-gateways.php:250
WC_Subscriptions_Payment_Gateways::gateway_scheduled_subscription_payment()
wp-includes/class-wp-hook.php:292
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:316
WP_Hook::do_action()
wp-includes/plugin.php:551
do_action_ref_array()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/actions/ActionScheduler_Action.php:22
ActionScheduler_Action::execute()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/abstracts/ActionScheduler_Abstract_QueueRunner.php:65
ActionScheduler_Abstract_QueueRunner::process_action()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/ActionScheduler_ListTable.php:530
ActionScheduler_ListTable::process_row_action()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/ActionScheduler_ListTable.php:499
ActionScheduler_ListTable::row_action_run()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/abstracts/ActionScheduler_Abstract_ListTable.php:541
ActionScheduler_Abstract_ListTable::process_row_actions()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/abstracts/ActionScheduler_Abstract_ListTable.php:645
ActionScheduler_Abstract_ListTable::process_actions()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/ActionScheduler_AdminView.php:107
ActionScheduler_AdminView::get_list_table()
wp-content/plugins/woocommerce/packages/action-scheduler/classes/ActionScheduler_AdminView.php:95
ActionScheduler_AdminView::render_admin_ui()
wp-includes/class-wp-hook.php:292
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:316
WP_Hook::do_action()
wp-includes/plugin.php:484
do_action()
wp-content/plugins/woocommerce/includes/admin/views/html-admin-page-status.php:41
include_once()
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-status.php:23
WC_Admin_Status::output()
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-menus.php:287
WC_Admin_Menus::status_page()
wp-includes/class-wp-hook.php:292
WP_Hook::apply_filters()
wp-includes/class-wp-hook.php:316
WP_Hook::do_action()
wp-includes/plugin.php:484
do_action()
wp-admin/admin.php:259

Thanks