Order Completed

Fatal error: Uncaught TypeError: TEC\Tickets\Commerce\Order::get_from_gateway_order_id(): Argument #1 ($gateway_order_id) must be of type string, null given, called in /customers/1/8/9/christchurch.nl/httpd.www/wp-content/plugins/event-tickets/src/Tickets/Commerce/Shortcodes/Success_Shortcode.php on line 38 and defined in /customers/1/8/9/christchurch.nl/httpd.www/wp-content/plugins/event-tickets/src/Tickets/Commerce/Order.php:710 Stack trace: #0 /customers/1/8/9/christchurch.nl/httpd.www/wp-content/plugins/event-tickets/src/Tickets/Commerce/Shortcodes/Success_Shortcode.php(38): TEC\Tickets\Commerce\Order->get_from_gateway_order_id(NULL) #1 /customers/1/8/9/christchurch.nl/httpd.www/wp-content/plugins/event-tickets/src/Tickets/Commerce/Shortcodes/Shortcode_Abstract.php(101): TEC\Tickets\Commerce\Shortcodes\Success_Shortcode->setup_template_vars() #2 /customers/1/8/9/christchurch.nl/httpd.www/wp-content/plugins/event-tickets/src/Tickets/Commerce/Shortcodes/Success_Shortcode.php(73): TEC\Tickets\Commerce\Shortcodes\Shortcode_Abstract->get_template_vars() #3 /customers/1/8/9/christchurch.nl/httpd.www/wp-content/plugins/event-tickets/common/src/Tribe/Shortcode/Manager.php(116): TEC\Tickets\Commerce\Shortcodes\Success_Shortcode->get_html() #4 /customers/1/8/9/christchurch.nl/httpd.www/wp-includes/shortcodes.php(434): Tribe\Shortcode\Manager->render_shortcode(Array, '', 'tec_tickets_suc...') #5 [internal function]: do_shortcode_tag(Array) #6 /customers/1/8/9/christchurch.nl/httpd.www/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(tec_ti...', 'do_shortcode_ta...', '[tec_tickets_su...') #7 /customers/1/8/9/christchurch.nl/httpd.www/wp-includes/class-wp-hook.php(324): do_shortcode('[tec_tickets_su...') #8 /customers/1/8/9/christchurch.nl/httpd.www/wp-includes/plugin.php(205): WP_Hook->apply_filters('[tec_tickets_su...', Array) #9 /customers/1/8/9/christchurch.nl/httpd.www/wp-includes/post-template.php(256): apply_filters('the_content', '