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production order error "item already defined at higher level"

Former Member
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hi..i am getting following error while adding a production order "Item is already defined at higher level". Plz suggest solution.

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Active Contributor
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The above error appears due to same item can't be assigned as component item in bill of material not in production order.

You can remove BOM components without closing production orders

For example, if product (father) is AA, then component (Child) should not be AA, it should be different from AA.


Former Member
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Hi Nagarajan,

Thanks for the reply. But this is not the case. I know this answer. There has been from wrong transactions such as alteration of component in production order. that's why this error is coming while doing transaction second time with the same product.

can you please help out in finding some other reasons why this error occurs. 


Ankush R. Ingle