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Account assignment in Purchase Order


In my project Purchase orders are having account assignment N network. This is going to be implemented. Previously my client used budgeting scenario with Internal Order but now Investment Program will be used with WBS budgeting.

The problem is for a particular PO document type "Capital PO" when I am assigning N as Ac Ass Type then it is automatically changed to F by default and asking for Internal order which is a mandatory field.

To remove this problem in SPRO I changed the mandatory field CO/PP order to OPTIONAL for Acc Ass Category F and then the problem got partially resolved. I can now assign a Network activity to the PO. But before saving the N which was entered as the acc ass type in the line items are automatically changing to F.

I have tried out several ways but not found a problem. Somebody may have an idea of why its happening?

Is there some user exit for this particular document type is this issue to be solved with the help of an ABAP er. Please guide me.


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2 Answers

  • Apr 10, 2009 at 06:33 AM

    chk what is acct assgn category u have mentioned for "Acct. assgmt. gen" in OPTT...if it is F then change it to N

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    • This is right.

      For Capital Purchase Orders from Capital PR it is working fine if I untick.

      But the error is still there when directly creating Purchase Order i.e, the account assignment automatically changing to F.

      Our client will be directly creating Purchase Order and there will be no scenario of PR.

      So I need to concentrate only why is this happening in PO.

      I can forget about PR.

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    Former Member
    Apr 10, 2009 at 11:02 AM

    Hi Suman,

    Please maintain the standard settings :

    1.Account Assgmt Gen N

    2.AcctAsstCat Projects Q.

    a)So while assigning the material component to Network Activity for stock Item (L) System will create a PR on the basis of following :

    Acctasstcat Q

    Special stock Q

    Valuation M

    Consumption P

    Movement type 281.

    b)While assiging Nonstock item to activity the following will be the case:

    Acctasstcat N

    Consumtion V

    Movement type 281

    So system will create PR in both cases but while receiving goods in MIGO ,for nonstock the activity will be debited and in case of stock inventory will be debited and stock will be received as project stock Q.



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    • Former Member Suman Misra

      Dear Suman

      Make following checks

      Go to SPRO > Materials management > Purchasing > Purchase Order > Define document type > Select the doc type req by u > na at the left side select allowed item categories

      Check whether the itemcategoty as per ur requirement is allowed for that doc type or not.


      Go to SPRO > Materials management > Purchasing > Account assignment > define comb of itemcategory n acc assign.

      whther N is allowed with D or the required combination is mainatained in that or not.