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

CC806 - Overview

• 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.

CC806 - Details

• 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 For instance, if the document is already cleared or if it has been archived, the system will not allow you