Error: Call to a member function getOverrides() on null in order_preprocess_order()

Problem/Motivation

When visiting an order "admin/order/1" the following error occurs

Error: Call to a member function getOverrides() on null in order_preprocess_order() (line 81 of l\modules\contrib\order\order.module).

Steps to reproduce

I use the drupal 10 version
https://git.drupalcode.org/project/order/-/tree/4a6634e5edefe8607f330bb6...

Drupal 10.3
PHP 8.1

Visit an order "admin/order/1"