How To Fix 1G256 - Adjustment not possible as posting in former account already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 256

• Message text: Adjustment not possible as posting in former account already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1G256 - Adjustment not possible as posting in former account already exists ?

  The SAP error message 1G256 ("Adjustment not possible as posting in former account already exists") typically occurs in the context of financial accounting, particularly when dealing with adjustments or corrections in account postings. This error indicates that there is an existing posting in the original account that prevents the adjustment from being processed.
  Cause:
  
  Existing Postings: The primary cause of this error is that there are already postings made in the original account that conflict with the adjustment you are trying to make. This could be due to prior transactions that have been recorded in the system.
  Document Flow: If there are subsequent documents or transactions that depend on the original posting, the system will not allow adjustments to maintain data integrity.
  Account Type Restrictions: Certain account types may have restrictions on adjustments, especially if they are linked to specific financial processes or reporting requirements.
  
  Solution:
  
  Check Existing Postings: Review the account in question to identify any existing postings. You can do this by using transaction codes like FB03 (Display Document) or FBL3N (Display G/L Account Line Items) to see the details of the postings.
  Reverse or Adjust Previous Postings: If possible, reverse or adjust the previous postings that are causing the conflict. This may involve creating a reversal document or making a new posting that corrects the previous entry.
  Consult with Finance Team: If you are unsure about how to proceed, consult with your finance or accounting team. They may have specific procedures in place for handling such adjustments.
  Use Alternative Adjustment Methods: If direct adjustments are not possible, consider using alternative methods such as creating a new posting that reflects the necessary changes without directly altering the original account.
  Check for Document Flow: Ensure that there are no dependent documents that would be affected by the adjustment. If there are, you may need to address those first.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (G/L Account Document Entry), FB08 (Reverse Document), and FBL1N (Vendor Line Item Display) for better navigation and understanding of postings.
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  User Authorization: Ensure that you have the necessary authorizations to make adjustments in the financial module, as restrictions may also lead to errors.
  
  By following these steps, you should be able to resolve the error and successfully process the necessary adjustments in your SAP system.