Error Messages when opening the order section under WooCommerce

Hi,

I get the following error whenever i open any placed order:

Notice: Function ID was called incorrectly. Order properties should not be accessed directly. Backtrace: do_action(‘load-woocommerce_page_wc-orders’), WP_Hook->do_action, WP_Hook->apply_filters, Automattic\WooCommerce\Internal\Admin\Orders\PageController->handle_load_page_action, Automattic\WooCommerce\Internal\Admin\Orders\PageController->setup_action_edit_order, Automattic\WooCommerce\Internal\Admin\Orders\PageController->prepare_order_edit_form, Automattic\WooCommerce\Internal\Admin\Orders\Edit->setup, do_action(‘add_meta_boxes’), WP_Hook->do_action, WP_Hook->apply_filters, NgeniusGateway->ngenius_online_meta_boxes, WC_Abstract_Legacy_Order->__get, wc_doing_it_wrong Please see Debugging in WordPress for more information. (This message was added in version 3.0.) in /home1/healcouture/public_html/wp-includes/functions.php on line 6114

Notice: Function is_internal_meta_key was called incorrectly. Generic add/update/get meta methods should not be used for internal meta data, including “_payment_method”. Use getters and setters. Backtrace: do_action(‘load-woocommerce_page_wc-orders’), WP_Hook->do_action, WP_Hook->apply_filters, Automattic\WooCommerce\Internal\Admin\Orders\PageController->handle_load_page_action, Automattic\WooCommerce\Internal\Admin\Orders\PageController->setup_action_edit_order, Automattic\WooCommerce\Internal\Admin\Orders\PageController->prepare_order_edit_form, Automattic\WooCommerce\Internal\Admin\Orders\Edit->setup, do_action(‘add_meta_boxes’), WP_Hook->do_action, WP_Hook->apply_filters, NgeniusGateway->ngenius_online_meta_boxes, WC_Data->get_meta, WC_Data->is_internal_meta_key, wc_doing_it_wrong Please see Debugging in WordPress for more information. (This message was added in version 3.2.0.) in /home1/healcouture/public_html/wp-includes/functions.php on line 6114