SalesOrdersForOrderHubRequests: orchestration process isn't on a wait step or it doesn't respond

Summary:

Rest API salesOrdersForOrderHubRequests Error : orchestration process isn't on a wait step or it doesn't respond.

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We are trying to create sales order using Rest API salesOrdersForOrderHubRequests. Getting below error in log after running Sales Order Import.

Order Management can't process fulfillment line 1-1, for item ABC because the orchestration process isn't on a wait step or it doesn't respond

Please suggest. TIA.

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