How To Fix MRNB218 - Different account assignment in invoice and credit memo not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MRNB - Messages for Revaluation (Retro Active Pricing)

• Message number: 218

• Message text: Different account assignment in invoice and credit memo not possible

Self-Explanatory Message

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• What is the cause and solution for SAP error message MRNB218 - Different account assignment in invoice and credit memo not possible ?

  The SAP error message MRNB218, which states "Different account assignment in invoice and credit memo not possible," typically occurs during the processing of invoices and credit memos in the SAP system. This error indicates that there is a mismatch in the account assignments between the invoice and the corresponding credit memo.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Different Account Assignments: The invoice and credit memo are trying to reference different account assignments (e.g., different cost centers, internal orders, or profit centers).
  Document Type Restrictions: Certain document types may have restrictions that prevent them from being linked if their account assignments do not match.
  Configuration Issues: There may be configuration settings in the SAP system that enforce strict matching of account assignments for invoices and credit memos.
  
  Solution:
  To resolve the MRNB218 error, you can take the following steps:
  
  
  Check Account Assignments: Review the account assignments in both the invoice and the credit memo. Ensure that they match. This includes checking cost centers, internal orders, and any other relevant account assignment fields.
  
  
  Adjust the Credit Memo: If the credit memo has been created with a different account assignment, you may need to adjust it to match the invoice. This can involve changing the account assignment in the credit memo to align with the invoice.
  
  
  Review Document Types: Check the configuration of the document types involved. Ensure that the settings allow for the processing of invoices and credit memos with the same account assignments.
  
  
  Consult with SAP Support: If you are unable to resolve the issue through the above steps, consider reaching out to your SAP support team or consulting SAP documentation for further guidance.
  
  
  Testing: After making adjustments, test the process again to ensure that the error does not reoccur.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like FB60 (Enter Incoming Invoice) and FB65 (Enter Credit Memo) to review and adjust the documents.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional insights into configuration settings.
  User Roles and Permissions: Ensure that the user has the necessary permissions to make changes to invoices and credit memos.
  
  By following these steps, you should be able to identify the cause of the MRNB218 error and implement a solution to resolve it.