Transaction Broker - Only one line of a multi-line invoice is being imported through

Transaction Broker processes multi-line invoices when the datalink is setup to group by invoice number, if only one line is being imported this probably due to incorrect grouping of transactions.

To check settings using steps below:

Click Transaction Broker
Click Datalinks from drop-down menu
Click/Highlight Datalink with issue
Click the Magnifying Glass
Check Field Header ID is set to invoice No

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