In POS how to restrict POS to allow sales only when there is stock in the warehouse. If stock of an item is 0 it should not allow sales of that item in POS

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In POS how to restrict POS to allow sales only when there is stock in the warehouse. If stock of an item is 0 it should not allow sales of that item in POS

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You could try using the “Allow negative option” in Stock settings. But this will affect not PoS and non PoS transactions