PHP Notice: Trying to get property ‘total’ of non-object

Hoi,

Ik wil graag melding maken van een PHP notice welke dagelijks veelvuldig optreedt in mijn PHP errorlog, zie onderstaande. Kunnen jullie deze fixen in de volgende versie? Alvast bedankt.

Notice: Trying to get property 'total' of non-object in /wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-payment-gateway.php on line 268

Stack Trace

1.  WC_Payment_Gateway->get_order_total()
    /wp-content/plugins/woocommerce-paynl-payment-methods/includes/classes/Pay/Gateway/Abstract.php:234
2.  Pay_Gateway_Abstract->is_available()
    /wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php:151
3.  order_status_changed(110501, 'processing', 'processing-ext')
    /wp-includes/class-wp-hook.php:289
4.  WP_Hook->apply_filters(null, Array(4))
    /wp-includes/class-wp-hook.php:311
5.  WP_Hook->do_action(Array(4))
    /wp-includes/plugin.php:478
6.  do_action('woocommerce_order_stat...', 110501, 'processing', 'processing-ext', WC_Order)
    /wp-content/plugins/woocommerce/includes/class-wc-order.php:373
7.  WC_Order->status_transition()
    /wp-content/plugins/woocommerce/includes/class-wc-order.php:221
8.  WC_Order->save()
    /wp-content/plugins/woocommerce/includes/admin/meta-boxes/class-wc-meta-box-order-data.php:622
9.  WC_Meta_Box_Order_Data::save(110501)
    /wp-includes/class-wp-hook.php:289
10. WP_Hook->apply_filters(null, Array(2))
    /wp-includes/class-wp-hook.php:311
11. WP_Hook->do_action(Array(2))
    /wp-includes/plugin.php:478
12. do_action('woocommerce_process_sh...', 110501, WP_Post)
    /wp-content/plugins/woocommerce/includes/admin/class-wc-admin-meta-boxes.php:220
13. WC_Admin_Meta_Boxes->save_meta_boxes(110501, WP_Post)
    /wp-includes/class-wp-hook.php:289
14. WP_Hook->apply_filters(null, Array(3))
    /wp-includes/class-wp-hook.php:311
15. WP_Hook->do_action(Array(3))
    /wp-includes/plugin.php:478
16. do_action('save_post', 110501, WP_Post, true)
    /wp-includes/post.php:4260
17. wp_insert_post(Array(112), false)
    /wp-includes/post.php:4354
18. wp_update_post(Array(110))
    /wp-admin/includes/post.php:419
19. edit_post()
    /wp-admin/post.php:227

Context

URL            : /wp-admin/post.php
Referer        : /wp-admin/post.php?action=edit&post=110501
HTTP Method    : POST
HTTP Status    : 200
isSSL          : Yes
Current Filter : save_post, woocommerce_process_shop_order_meta, woocommerce_order_status_changed
Execution Time : 3.080 s
Memory Usage   : 114.71 MiB
PHP SAPI       : fpm-fcgi