How To Fix EDEREG_TOOLS079 - A reversal entry is missing in DFKKTHI for the reversed document

SAP Error Message - Details

• Message type: E = Error

• Message class: EDEREG_TOOLS - Deregulation Check Framework

• Message number: 079

• Message text: A reversal entry is missing in DFKKTHI for the reversed document

What causes this issue?

The document has been reversed, however, there is no reversal entry in
table DFKKTHI.

System Response

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

How to fix this error?

Find out which process failed to generate the entry, or which process
deleted the entry.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EDEREG_TOOLS079 - A reversal entry is missing in DFKKTHI for the reversed document ?

  The SAP error message EDEREG_TOOLS079 indicates that there is a missing reversal entry in the table DFKKTHI for a reversed document. This typically occurs in the context of the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) modules, where financial documents are processed.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Missing Reversal Document: The reversal document that should have been created when a document was reversed is missing or was not generated correctly.
  Data Inconsistency: There may be inconsistencies in the database, possibly due to manual changes, incomplete processing, or issues during document posting.
  System Errors: There could be a system error or bug that prevented the reversal entry from being created.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check the Original Document: Verify the original document to ensure that it was posted correctly and that the reversal was intended.
  Review Reversal Process: Ensure that the reversal process was completed successfully. You can do this by checking the transaction logs or using transaction codes like FBL5N or FBL1N to view document details.
  Manually Create Reversal Entry: If the reversal entry is indeed missing, you may need to manually create it. This can be done using transaction F.80 (for mass reversal) or F.01 (for individual reversal), depending on your requirements.
  Check for System Notes: Look for any system notes or logs that might indicate why the reversal entry was not created. This can provide insights into whether there was a system error or a configuration issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant transaction logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL5N (Customer Line Item Display), FBL1N (Vendor Line Item Display), and F.80 (Mass Reversal).
  Tables: Understand the structure of the DFKKTHI table, which contains header data for financial documents in FI-CA. You may also want to look at related tables like DFKKOP (document items) and DFKKOPK (document item history).
  Documentation: Review SAP documentation related to FI-CA and document processing to understand the expected behavior and processes involved in document reversal.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.