How To Fix GA555 - Segment reversal for object &1, cost element &2 is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: GA - Allocations

• Message number: 555

• Message text: Segment reversal for object &1, cost element &2 is not possible

What causes this issue?

Master data validation for object &V1&, cost element &V2& in period
&V3&/&V4& was not successful.

System Response

All line items, in which this object occurs are no longer included in
the segment reversal (debit lines and credit lines)!!

How to fix this error?

If you still want to include these line items, you have to provide a
valid master record for this object.
From the error log, you can get further information on the reasons why
master data validation was not successful.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GA555 - Segment reversal for object &1, cost element &2 is not possible ?

  The SAP error message GA555 indicates that a segment reversal for a specific object and cost element is not possible. This error typically arises in the context of financial accounting and controlling when attempting to reverse a posted document or transaction.
  Cause:
  
  Document Status: The document you are trying to reverse may be in a status that does not allow for reversal. For example, if the document has already been cleared or if it is part of a closed period.
  Cost Element Configuration: The cost element may not be configured to allow reversals. This can happen if the cost element is set up as a statistical cost element or if it is not allowed for certain types of postings.
  Posting Period: The posting period may be closed, preventing any changes or reversals from being made.
  Transaction Type Restrictions: Certain transaction types may have restrictions on reversals based on company policy or system configuration.
  Missing or Incorrect Data: There may be missing or incorrect data in the document that is preventing the reversal.
  
  Solution:
  
  Check Document Status: Verify the status of the document you are trying to reverse. If it has been cleared or is in a closed period, you may need to reopen the period or un-clear the document.
  Review Cost Element Configuration: Check the configuration of the cost element in the system. Ensure that it is set up to allow reversals. You may need to consult with your SAP configuration team for adjustments.
  Open Posting Period: If the posting period is closed, you may need to open it temporarily to allow for the reversal. This should be done with caution and in accordance with your organization's policies.
  Use Correct Transaction Type: Ensure that you are using the correct transaction type for the reversal. If there are specific transaction types that allow for reversals, make sure you are using one of those.
  Correct Data Entry: Review the document for any missing or incorrect data. Make sure all required fields are filled out correctly before attempting the reversal again.
  
  Related Information:
  
  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.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB08 (for reversing accounting documents) or other related codes that may assist in the reversal process.
  User Authorization: Ensure that you have the necessary authorizations to perform reversals in the system. Lack of proper authorization can also lead to errors.
  Consult Documentation: Review SAP documentation or user manuals related to financial postings and reversals for additional context and guidance.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial accounting and controlling.