API V3 Woocommerce Erro

Olá,

estou tentando usar a api v3 para alterar o status de um pedido, e retorna o seguinte erro ( nao deixei o caminho completo por segurança mas o log esta completo ).

Se uso a V1 da api funciona, mas preciso usar a V3.
https://woocommerce.github.io/woocommerce-rest-api-docs/?shell#update-an-order

Obrigado

[17-Sep-2020 11:48:21 UTC] PHP Fatal error: Uncaught Error: Call to a member function get() on null in /home/dominio…/wp-content/plugins/woo-payment-on-delivery/woo-payment-on-delivery.php:397
Stack trace:
#0 /home/app4you/domains/modelo-delivery.app4you.app.br/public_html/wp-includes/class-wp-hook.php(287): add_woo_payment_on_delivery_gateway_class()
#1 /home/app4you/domains/modelo-delivery.app4you.app.br/public_html/wp-includes/plugin.php(206): WP_Hook->apply_filters()
#2 /home/app4you/domains/modelo-delivery.app4you.app.br/public_html/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(85): apply_filters()
#3 /home/app4you/domains/modelo-delivery.app4you.app.br/public_html/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(70): WC_Payment_Gateways->init()
#4 /home/app4you/domains/modelo-delivery.app4you.app.br/public_html/wp-content/plugins/woocommerce/includes/class-wc-payment-gateways.php(43): WC_Payment_Gateways->__construct()
#5 /home/app4you/domains/modelo-de in /home/app4you/domains/modelo-delivery.app4you.app.br/public_html/wp-content/plugins/woo-payment-on-delivery/woo-payment-on-delivery.php on line 397