This article explains how to re-open Completed Purchase Orders.
Short address for Transactions is : /?stock_transactions
Navigate to the Transactions page and filter the list of Transactions to only display Completed Transactions by clicking the down arrow in the filter field of STATUS.
In the row of the Purchase Order that needs to be Re-opened, click the down arrow next to Action. Select Reopen Transaction. If the option is not available follow instructions in Enable Action Icons on Data Sets and Reports.
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