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author's profile photo Former Member
Former Member

Can't change base unit of measure

Our material's base unit of measure is accidentally created as Piece(PC) instead of Square centimeter(CM2) in the Basic Data 1 screen.

How can we change it to CM2?

When we try in MM02 t.code it gives us those error briefly:

-Stocks already at plant level

-the material is used in bill of material

-standart cost estimates for the current period already exists..

Could u plz guide me how to correct this situation?

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Sep 19, 2008 at 11:08 AM

    Hi,

    You can not change the UOM if there is any existing stock or Open PO's etc.

    Firstly, you will need to reverse the Goods receipt and make the Stock Zero,

    Then delete this particular item from all Open PO's/PRs

    Delete the item from the Bill of Materials Used.

    Take the help of your FI person to reverse the cost estimates,

    Then only you will be able to change the UOM.

    Regards

    Merwyn

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    • Former Member

      Hi,

      I would say that the best way to handle this is to specify an alternative unit of measure of CM2 on the additional data screen of the material master and then set this unit to be your Order unit in the Purchasing view of the material, and if it is an inventory material you can also make CM2 your unit of issue on the Plant/data stor.1 screen, and if it is warehouse managed you can also then set CM2 to be your WM unit in the Warehouse Management 1 view, and so on with Sales and QM views etc. if they apply.

      This will mean that although the base unit is PC, when it is procured, goods receipted or goods issued, the default unit will be CM2. If you follow this approach and you have existing stock which has been receipted in PC, you may have to do a 562 goods movement in MB1C to zero the stock, then re-load the stock using a 562 with a unit of CM2.

  • Posted on Sep 19, 2008 at 11:07 AM

    hi,

    i think there are stocks maintained for same material or there are any existing data for the MMR...

    so try to use Order unit in Purchasing view...which will do..

    X pcs = Y cms...

    hope it helps..

    Regards

    Priyanka.P

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  • Posted on Sep 19, 2008 at 11:08 AM

    You would have to remove quantity in previous and current period (follow instructions of OSS note 30656)

    Further you need to remove this item from all bill of materials.

    Then you have to delete the standart cost estimates

    often it is Better to create a new material than doing all the actions necessary to get your data into a fashion that you finally be able to do this change.

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  • author's profile photo Former Member
    Former Member
    Posted on Sep 19, 2008 at 11:57 AM

    Make the stocks zero. Close all the Po's.

    REmove the material from all BOm's.

    Change the uom as required and then create stock, PO and enter the bom

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  • Posted on Sep 19, 2008 at 11:05 AM

    Hi,

    Once transctions takes place for a material it is difficult to change the base unit of measure.

    For stock existing in different plants you have to transfer this stock to any dummy material code in the previous period.

    Also any PR /PO /BOM created need to be cancelled .

    Than only system will allow to change the UOM .

    Dhruba

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