How To Fix KI402 - Serious errors occurred during reversal

SAP Error Message - Details

• Message type: E = Error

• Message class: KI -

• Message number: 402

• Message text: Serious errors occurred during reversal

What causes this issue?

You called the Reverse function for activity &V1&. Due to errors during
the update check, however, the reversal could not be completed.

System Response

The reversal is cancelled. An error list is output.

How to fix this error?

Check the output list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KI402 - Serious errors occurred during reversal ?

  The SAP error message KI402 ("Serious errors occurred during reversal") typically occurs in the context of the Controlling (CO) module, particularly when attempting to reverse a posting in the system. This error can arise due to various reasons, and understanding the cause is crucial for resolving the issue.
  Causes of KI402 Error
  
  
  Data Inconsistencies: There may be inconsistencies in the data related to the original posting that you are trying to reverse. This could include missing or incorrect entries in related tables.
  
  
  Locked Objects: The objects or documents that you are trying to reverse may be locked by another user or process, preventing the reversal from being completed.
  
  
  Configuration Issues: There may be configuration issues in the CO module that are preventing the reversal from being processed correctly.
  
  
  Missing Authorizations: The user attempting the reversal may not have the necessary authorizations to perform the action.
  
  
  Technical Errors: There could be underlying technical issues, such as problems with the database or application server.
  
  
  Solutions to KI402 Error
  
  
  Check for Data Inconsistencies:
  
  Review the original posting and ensure that all related entries are correct and complete.
  Use transaction codes like KSB1 (Cost Centers: Actual Line Items) or KOB1 (Order: Actual Line Items) to check for inconsistencies.
  
  
  
  Unlock Objects:
  
  Check if the document or object is locked. You can use transaction code SM12 to view and manage lock entries.
  If you find a lock, you may need to wait for the other user to complete their transaction or, if appropriate, unlock it yourself.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings in the CO module are correct. This may involve checking settings related to cost centers, internal orders, or other relevant areas.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to perform the reversal. This may involve checking roles and permissions in transaction PFCG.
  
  
  
  Technical Support:
  
  If the issue persists, it may be necessary to involve your technical support team or SAP Basis team to investigate any underlying technical issues.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  KSB1: Cost Centers: Actual Line Items
  KOB1: Order: Actual Line Items
  SM12: Display and manage lock entries
  SE38: Execute ABAP programs (for custom reports)
  
  
  
  SAP Documentation: Review SAP documentation related to the CO module for more detailed information on postings and reversals.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  
  By following these steps, you should be able to identify the cause of the KI402 error and implement a solution to resolve it. If the problem continues, consider reaching out to SAP support for further assistance.