How To Fix M8_2122 - Differential invoicing transaction has changed; note changes

SAP Error Message - Details

• Message type: E = Error

• Message class: M8_2 - Logistics Invoice Verification

• Message number: 122

• Message text: Differential invoicing transaction has changed; note changes

What causes this issue?

If when entering a differential invoice or a final invoice you change
the type of differential posting to one of the following, the system
performs a complete reassignment:
As invoice
As credit memo
Manual entries are discarded.

System Response

How to fix this error?

Check the invoice items.

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_2122 - Differential invoicing transaction has changed; note changes ?

  The SAP error message M8_2122 indicates that there has been a change in the differential invoicing transaction, and it prompts the user to note these changes. This error typically arises in the context of invoice verification and can be related to various factors, including changes in the underlying data or conditions that affect the invoicing process.
  Cause:
  
  Data Changes: The most common cause of this error is that the data related to the invoice has been modified after the initial creation of the differential invoice. This could include changes to the purchase order, goods receipt, or other related documents.
  Price Changes: If there are changes in pricing conditions or discounts that affect the invoice, this can trigger the error.
  Document Status: The status of the documents involved (e.g., purchase orders, goods receipts) may have changed, leading to inconsistencies.
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the current business processes or requirements.
  
  Solution:
  
  Review Changes: Check the changes made to the relevant documents (purchase orders, goods receipts, etc.) to understand what has been modified. This can often be done through transaction codes like ME23N (Display Purchase Order) or MIGO (Goods Movement).
  Reprocess the Invoice: If the changes are valid and necessary, you may need to reprocess the invoice. This could involve reversing the current invoice and creating a new one based on the updated data.
  Check Configuration: Ensure that the configuration settings for differential invoicing are correctly set up in the system. This may involve consulting with your SAP configuration team or reviewing the relevant documentation.
  Consult Documentation: Refer to SAP notes or documentation related to differential invoicing for any specific guidance or updates that may address the issue.
  User Training: Ensure that users involved in the invoicing process are trained on how to handle changes in documents and the implications for differential invoicing.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  Transaction Codes: Familiarize yourself with transaction codes related to invoice processing, such as MIRO (Invoice Verification) and MIGO (Goods Movement).
  Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  By following these steps, you should be able to identify the cause of the M8_2122 error and take appropriate action to resolve it.