How To Fix KI402 - Serious errors occurred during reversal

KI402 - Overview

• 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.

KI402 - Details

• 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