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How do I resolve the error 'This is a duplicate of Document xxxx and cannot be saved' when running Statistics in Dynamics NAV?

Overview

You run Statistics on a sales order before posting and receive error "This is a duplicate of Document xxxx and cannot be saved."

Environment

Dynamics NAV

Resolution

  • To resolve this issue, create a new invoice and use the "Copy Document" option to transfer order details of the previous sales order generating the error. 
    • You should now be able to run Statistics without the error.