dropshipsales order line pending at change request

Summary:

Users are trying to change shipping method after PO created. The order is on change request hold, and an error message of schedulle:

The attribute OrgId is missing for service AutoSchedule. (DOO-2685021)

1,How to solve this error, is there a way to reverse back the change request?

2,Can dropship order be changed if PO is created? If yes, then how?

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