ReverseFulfillmentOrder.order field is nullable as of 2025-01

As of 2025-01, ReverseFulfillmentOrder.order field is nullable. An Order can be nullable if the client does not have access to the read_all_orders scope and the order is older than 60 days or no longer exists. For versions that predate 2025-01, the order field will return a graphql error when the order is not available.

Learn more about ReverseFulfillmentOrder on Shopify.dev.