Negative Price for material with moving average price

Question:
Hi,
I have posted a GR (with Qty 1000 @ 10/pc) with Purchase Order. Before post GR. I already have Qty 500 in the stock. In other words, now I have 1500 pcs in my stock.
Then 1400 qty of the stocks have been good issue refer to a SO. Now, I have 100 qty left in the warehouse.
Somehow, I have been notified by the vendor that there will be no invoice issue due to some reason. Now, I need to clear the GR/IR account, but system does not allow me to clear GR/IR using MR11 with the error message "Negative price is not allowed for this material". FYI, my materail is using "Moving Average" Price. Please advise how I should clear my GR/IR account.
Thanks in advance.
Janny
Answer:
Sounds like you could reverse the issue to your SO, unreceive the material on the PO, change the PO to non-val (de-select IR), then receive and re-issue to the SO.
Answer:
Just keep in mind, once you've used MR11, there is absolutely NO WAY of reversing it!
I suggest, do a revaluation (MR21), in other words, inflate the price, clear your GR/IR, and revaluate the product bact to correct price.
Regards
Christo

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