...
The last step in receiving/check-in flow is to update the status of PO Line to "Partially Received" or "Fully Received". It's possible that something may go wrong and status won't be updated even though the items were actually received.
So the mechanism to guarantee the status is up-to-date needs to be worked out.
High Level Investigation
From the technical side this means that there may be a discrepancy between the status of the PO line and the statuses of its associated pieces in the database. The following connections are possible between PO line with PARTIALLY_RECEIVED and FULLY_RECEIVED statuses and state of pieces:
...