In BC, reversing only the posted purchase invoice is not possible and this is a huge drawback of BC against other ERPs.

You know, when we post a purchase order, we have the options to post the receipt, invoice or both. Just like this one, when we create a purchase credit memo via copy document action, we should be able to only cancel the invoice not the receipt!

Because there are many cases that the items have been sold to customers and we realize that there is a mistake in the price or item charges etc. In this case we should be able to cancel the posted invoice (without the receipts quantities) and BC should move the actual cost to back expected cost in the item ledger entries as the invoice is cancelled.

I hope BC developers will develop this in the coming versions soon.

Thanks

Hakan