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Creation for credit memo request causes message V1498

Hi experts,

I want to create a credit memo with reference to an invoice.

I have the following item category settings:

G2N - flag schedule lines not set

ZG2K - flag schedule lines not set

ZG2N - flag schedule lines set

For Z2GN the schedule line flag needs to be set for another reason but this causes the message "Credit memo request already exists for item" to pop up. But there's not previous credit memo request for that invoice!

I hope anyone can help.

Best Regards,


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3 Answers

  • Best Answer
    Aug 13, 2009 at 02:43 PM

    Hi Florian,

    Why you need schedule lines for a credit memo request? Items that are relevant for delivery, such as sales order items, can always have schedule lines. On the other hand, items that are not relevant for delivery, such as items in contracts and credit memo requests, do not have schedule lines. If you really want to generate a creit memo with schedule lines ,go for returns processing in which you will be having a schedule line. then you can create a return delivery and a credit memo for returns. If you want you can copy item category "REN" and rename it. Kindly please let me know If you need any more information on this.


    Ram Pedarla

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    • Hi Florian,

      I am not sure that this is supported by standard. Any way have maintained the schedule line category assignments? Have you made the copy control settings from sales doc to delivery and delivery to billing? Have you maintained delivery related billing in sales document type definition? Have you maintained the item relevant for delivery indicator in schedule line category definition in VOV6? If you have maintained all these , you can try If this works out or not. I am not sure why you want a schedule line for a credit memo.But I think there should be a credit memo request exists for this already. Kindly check the document flow of the Invoice.


      Ram Pedarla

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    Former Member
    Oct 20, 2009 at 08:50 AM


    I am receiving a message at the time of creating the credit note with ref to invoice when i uncheck the shedule line not allowed in item catagory, i got a new issue system is copying the quantity to target quantity instead of order quantity.

    we use order quantity so i want quantity should get copied to order quantity instead of target quantity.




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    Former Member
    Jun 14, 2010 at 09:53 PM


    I happen to go through your post in sdn regarding "Credit Memo Request already exists for item" . I am facing the similar issue.

    I am trying to create a credit memo request in reference to my sales order invoice and I am getiing this warning message "Credit Memo Request already exists for item ".

    my customization settings are

    item category: ZG2N

    Schedule line allowed check box on item category: Yes

    Schedule line Category: CD

    Item relevant for delivery check box on schedule line : yes

    I am looking for your help.

    With warm regards,

    Suman Jha


    +1-7734101445 (M)

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    • Hi,

      I am syed parvez answering from one of my friend user ID.

      I have done the below settings in Item catagory is and my proble got solved.

      Business item Check

      Shedule line allowed Uncheck

      Item Relevent for delivery Uncheck

      Returns Check

      Weight Vol Check

      Credit active Uncheck

      Determine cost Check

      I actually dont remember as it is long time and I still think it could be because of shedule line alllowed or returns settings.

      Please try it hope your problem would be solved


      Syed parvez