How To Fix CC806 - Changes to &1 &2 cannot be undone

SAP Error Message - Details

• Message type: E = Error

• Message class: CC - ECM: Messages

• Message number: 806

• Message text: Changes to &1 &2 cannot be undone

What causes this issue?

&V1& &V2& has also been processed with change number &V3&. These changes
would make the requested undo invalid.

System Response

The undo is not executed.

How to fix this error?

Check whether the changes with change number &V3& should also be undone.
If they should, first undo the changes for change number &V3&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CC806 - Changes to &1 &2 cannot be undone ?

  The SAP error message CC806 ("Changes to &1 &2 cannot be undone") typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with cost center accounting, internal orders, or other controlling-related transactions. This error indicates that the system has detected an attempt to reverse or undo changes that are not allowed due to certain conditions.
  Cause:
  
  
  Data Integrity: The changes you are trying to undo may have already been processed or posted in a way that makes them irreversible. For example, if a cost center has been settled or if there are subsequent postings that depend on the original entry, the system will prevent you from undoing the changes.
  
  
  Document Status: The document you are trying to reverse may be in a status that does not allow for changes. For instance, if the document is already cleared or if it has been archived, the system will not allow you to make further changes.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the undo operation, leading to this error.
  
  
  Configuration Settings: Certain configuration settings in the controlling module may restrict the ability to reverse changes under specific conditions.
  
  
  Solution:
  
  
  Check Document Status: Review the status of the document you are trying to undo. If it has been cleared or settled, you may need to follow a different process to correct the entries.
  
  
  Review Dependencies: Check if there are any subsequent postings or dependencies that rely on the original entry. If so, you may need to reverse those postings first before attempting to undo the original change.
  
  
  Use Alternative Methods: If the changes cannot be undone, consider using alternative methods to correct the data. This might involve creating a new entry to offset the original one rather than trying to reverse it.
  
  
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP documentation for further guidance.
  
  
  Authorization Check: Ensure that you have the necessary authorizations to perform the undo operation. If not, contact your system administrator to obtain the required permissions.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP CO, such as KSB1 (Cost Centers: Actual Line Items) or KO03 (Display Order) to analyze the data related to the error.
  SAP Notes: Check for any SAP Notes related to error CC806 for specific patches or updates that may address known issues.
  Documentation: Review SAP documentation for the Controlling module to understand the implications of reversing postings and the conditions under which it is allowed.
  
  By following these steps, you should be able to identify the cause of the CC806 error and take appropriate action to resolve it.