Facing error: The work order close transaction could not be processed because there are unprocessed

Summary

In Review cost accounting processing, I am facing the error "The work order close transaction could not be processed because there are unprocessed transactions on this work order"

Content

In Review cost accounting processing, I am facing the error "The work order close transaction could not be processed because there are unprocessed transactions on this work order". But all my WO transactions are completed and even WO is closed. Please help on this issue in costing.

Thanks,

Inna