Orders Are Getting Created in incorrect Domain

Summary:

We are uploading the Ordrers and wanted to Generate the Order number and order line numbers by OTM so i am using attached sample payload but the Orders are getting created in parent domain rather than the domain mentioned in OrderGid Section.

Expectation is to create the orders in ABC/XYZ/COO domain but getting created in ABC.

I also wanted to include involved party contact and ensure before processing the order need to check that contact is existed if not Add Predifined contact or Ignore that contact section.

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