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Former Member

mrp area

Dear all ,

As bellow screenshot , the red highlight component material is the phantom item in work order.

The storage location 'T01P' is assigned to MRP area 'CS1000' , the material master is also maintained

MRP area'CS1000'.

But this material requirment is in Plant MRP area '1000' , not in MRP area 'CS1000':

The other non-phantom components in the same work order are right , all display in MRP area 'CS1000'.

And the components under the phantom materail are also right.

So i am confused why phantom item materials are not right . Please give me the direction , thanks!

area1.png (15.8 kB)
area2.png (41.1 kB)
area3.png (26.1 kB)
area4.png (13.3 kB)
area5.png (34.1 kB)
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4 Answers

  • Best Answer
    Apr 07, 2016 at 09:52 AM


    For phantom assemblies, the materials planning does not take dependent requirements and and requirements for material provided into account.

    Does MRP area 'CS1000' is storage location or subcontractor MRP area?

    Read consulting note 375913 - MRP area:Determne issue storage locatn of component

    Best Regards,


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  • Apr 07, 2016 at 09:46 AM


    Please check that where the Special Procurement Indicator for phantom item is maintained.(50)

    As per my understanding it must be maintained at MRP Area level.


    Velmurugan S

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  • Apr 07, 2016 at 11:50 AM


    check these..

    1. You need to maintain the special procurement key for the phantom Assembly

    in the MRP 2 View of the material master

    2. If a Bom item is a phantom assembly , the dependent reqmts of the higher

    level assembly are directly passed to the components of the phantom

    assembly skipping the phantom assembly.

    3. Planned orders/ Purchase requisitions are created for the components of the

    phantom assembly.

    4. We can override the Phantom Assembly Setting by defining in SPRO --->

    Define Explosion Types so that MRP Creates Procurement Propasals for the

    Phantom Assembly itself.

    ie We can Swith off the Phantom Assembly Settings.

    This settting need to be defined in the BOM Item details screen in the Basic

    Data Tab Page under MRP Area.

    So check in your Bom whether switch off phantom assembly is defined.



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  • Apr 07, 2016 at 12:50 PM


    i think..

    • You have maintained the material TW-0837203-00 in plant mrp area. that is there was no mrp area for specific storage location was defined for this in material master mrp1 tab

    • the materials TW-0905638-00 is maintained in MRP area for storagethat is you have defined a mrp area for the material with the specific storage locations in the material master mrp1 tab.

    please check this..

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    • Former Member

      Both TW-0837203-00 and TW-0905638-00 are maintainer in MRP area for storage location MRP area CS1000 , in material master mrp2 tab is T01 belong to plant MRP area , and in storage location MRP area mrp1 tab1 we maintained T01P belong to CS1000.