How To Fix M8_2130 - Differential invoicing: invalid credit memo quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: M8_2 - Logistics Invoice Verification

• Message number: 130

• Message text: Differential invoicing: invalid credit memo quantity

What causes this issue?

You have activated the check for the credit memo quantity in
Customizing. The invoice quantity referenced in the credit memo item of
the IDoc or the SOA message (&V1&) does not match the quantity known to
the system from the preceding invoice (&V2&).

System Response

The document was not posted.

How to fix this error?

Either deactivate the credit memo quantity check for your partner in
Customizing for <LS>Materials Management</>, under <LS>Logistics Invoice
Verification</> -> <LS>EDI</> -> <DS:SIMG.OLMROMRY>Enter Program
Parameters</> or ask your supplier to correct the credit memo quantity
in the credit memo item of the IDoc or SOA message.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8_2130 - Differential invoicing: invalid credit memo quantity ?

  The SAP error message M8_2130, which states "Differential invoicing: invalid credit memo quantity," typically occurs in the context of differential invoicing in SAP, particularly when dealing with credit memos. This error indicates that there is an issue with the quantity specified in the credit memo, which does not align with the expected values based on the original invoice or the conditions set for differential invoicing.
  Causes:
  
  Quantity Mismatch: The quantity specified in the credit memo does not match the quantity of the original invoice or the quantity that is allowed for the differential invoicing process.
  Incorrect Document Type: The document type used for the credit memo may not be compatible with differential invoicing.
  Configuration Issues: There may be configuration settings in the SAP system that are not set up correctly for differential invoicing.
  Incomplete Data: Required fields or data may be missing in the credit memo, leading to validation errors.
  Negative Quantities: If the credit memo is attempting to process a negative quantity that is not allowed, this can trigger the error.
  
  Solutions:
  
  Check Credit Memo Quantity: Verify that the quantity in the credit memo matches the quantity of the original invoice. Adjust the quantity if necessary.
  Review Document Type: Ensure that the document type used for the credit memo is appropriate for differential invoicing. If not, consider using the correct document type.
  Configuration Review: Consult with your SAP configuration team to ensure that the settings for differential invoicing are correctly configured in the system.
  Complete Required Fields: Make sure all required fields in the credit memo are filled out correctly and completely.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error message or provide additional guidance.
  
  Related Information:
  
  Differential Invoicing: This is a process in SAP where invoices are created based on the differences between the original invoice and subsequent adjustments (like credit memos).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VF01 (Create Invoice), VF02 (Change Invoice), and VF03 (Display Invoice) to manage invoices and credit memos.
  SAP Documentation: Refer to SAP Help documentation for detailed information on differential invoicing and credit memo processing.
  User Forums and Communities: Engage with SAP user communities or forums for shared experiences and solutions related to this error.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further troubleshooting.