MEDCM018 - The changes could not be completely undone

SAP Error Message - Details

• Message type: E = Error

• Message class: MEDCM - DCM Message Class "Version in Purchasing"

• Message number: 018

• Message text: The changes could not be completely undone

What causes this issue?

You have cancelled the changes to version &V1&. However, the system
could not cancel all changes automatically.

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?

Check the data and manually cancel any changes to account assignments
or external service items for example.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MEDCM018 - The changes could not be completely undone ?

  The SAP error message MEDCM018, which states "The changes could not be completely undone," typically occurs in the context of the SAP system when there is an issue with reverting changes made to a document or transaction. This error can arise in various scenarios, such as during the processing of documents in the Materials Management (MM) module or when dealing with change documents.
  Causes:
  
  Incomplete Rollback: The system may have encountered an issue while trying to reverse or undo changes, possibly due to missing data or inconsistencies in the database.
  Locking Issues: Another user or process may have locked the document or data that you are trying to undo, preventing the rollback from completing.
  Data Integrity Issues: There may be inconsistencies in the data that prevent the system from successfully completing the undo operation.
  Authorization Issues: The user may not have the necessary permissions to perform the undo operation.
  System Errors: There could be underlying system errors or bugs that are causing the rollback to fail.
  
  Solutions:
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the document or data you are trying to undo. If there are locks, you may need to wait for them to be released or contact the user who has locked the data.
  Review Change Logs: Check the change logs for the document to identify any inconsistencies or issues that may have occurred during the initial change.
  Re-attempt the Undo: Sometimes, simply re-attempting the undo operation after a short period can resolve transient issues.
  Check Authorizations: Ensure that you have the necessary authorizations to perform the undo operation. If not, contact your system administrator to grant the required permissions.
  Consult SAP Notes: Search 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.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or information that can provide more context about the failure.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SLG1 (to view logs), and others that may help in troubleshooting.
  Documentation: Review SAP documentation related to the specific module or process you are working with, as it may provide insights into common issues and resolutions.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and potentially resolve the MEDCM018 error in your SAP system.