Integration Manager – An Item With The Same Key Has Already Been Added

Microsoft Dynamics GPI was working with a client the other day with Integration Manager to import some purchase orders when we received the following error on some of the purchase orders:

5. 820909 Insert Failed 0. Seconds
DOC 4 ERROR: An item with the same key has already been added.

The vast majority of the documents integrated without problem. When we examined the documents which failed, we determined that those which failed were those which had a currency of Euro.

Integration Manager errors are typically very unhelpful and this was no different; the first thing we checked was to see if the PO Number existed in GP, but as we expected it did not.

We did some investigating and found that the Euro Exchange Rate’s Transaction Rate Default in GP was defined as Exact Date; I was able to update this to Next Date after which the integration stopped producing errors.

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