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author's profile photo Former Member
Former Member

settlement of PO

Hi all

While trying to settle the production order through transaction ko88 , the system gives

following error msg:

"Material Price is Negative".

how to solve this error why this error ocurred

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3 Answers

  • Posted on Dec 03, 2007 at 01:49 PM

    Can u give me the message number?

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    • Former Member Former Member

      hi sateesh

      i am getting the following error message during settlement

      Moving average price for material is negative: G035018P2105 1200 IN HOUSE

      Message no. M8783


      This item would create a stock value posting which would result in a negative moving average price for the material.


      The category of this message can be changed in Customizing for Invoice Verification. This means that you can receive a message as an error message even though it is defined as a warning message in the standard system.

      The following documentation deals with the case applicable to the standard system only.

      System Response

      The system does not allow a negative moving average price.


      Check your entry in the field "Amount" and correct it if necessary.

      If your entry is correct, check the following for the material

      the stock value

      (Environment -> Master data info -> Display material)

      the posting history

      (Environment -> Line items -> For material).

      It might be necessary to cancel past postings (for example, incorrectly valuated goods receipts or incorrect price changes), before you can carry out your posting.

      If you wish to carry out a price change, the total stock of the material may be negative. A price cannot be changed if the stock is negative.



  • Posted on Dec 04, 2007 at 07:13 AM


    I would suggest you to post this to ERP FICO forum to get better suggestions.



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  • author's profile photo Former Member
    Former Member
    Posted on Dec 04, 2007 at 11:30 AM


    have you used Bye-products in this order. What I can guess is your byeproducts cost must be getting more than what you actually input.

    If there are byeproducts, please check the material master accounting view of these products and check the prices given. I dont see any other possibility of creating such error.


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