How To Fix TN_PROCESS145 - Version add-on &1 to uninstall does not match the stack XML

SAP Error Message - Details

• Message type: E = Error

• Message class: TN_PROCESS - Message Class for OCS Change Processes

• Message number: 145

• Message text: Version add-on &1 to uninstall does not match the stack XML

What causes this issue?

Stack XML wants to uninstall add-on version &V1& &V2&. Add-on version
&V1& &V3&, however, is installed in the system.

System Response

The stack XML cannot be used.

How to fix this error?

Synchronize the system state with the system data in Maintenance Planner
and repeat the planning action.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TN_PROCESS145 - Version add-on &1 to uninstall does not match the stack XML ?

  The SAP error message "TN_PROCESS145: Version add-on &1 to uninstall does not match the stack XML" typically occurs during the uninstallation of an add-on in the SAP system. This error indicates that there is a mismatch between the version of the add-on you are trying to uninstall and the version specified in the stack XML file.
  Cause:
  
  
  Version Mismatch: The version of the add-on you are attempting to uninstall does not match the version recorded in the stack XML file. This can happen if:
  
  The add-on was updated or modified after the stack XML was generated.
  The stack XML file is outdated or does not reflect the current state of the system.
  There was a manual change or corruption in the stack XML file.
  
  
  
  Incorrect Stack XML: The stack XML file may not have been generated correctly or may not have been updated after the last installation or modification of the add-on.
  
  
  Solution:
  
  
  Verify Add-on Version: Check the version of the add-on that is currently installed in the system. You can do this by navigating to the relevant transaction (e.g., SPAM or SAINT) and checking the installed add-ons.
  
  
  Check Stack XML: Review the stack XML file to ensure that it reflects the correct version of the add-on. You can find the stack XML in the transport directory or the relevant installation directory.
  
  
  Update Stack XML: If the stack XML is outdated, you may need to regenerate it. This can typically be done by:
  
  Running the relevant transaction to update the stack XML.
  Using the SPAM or SAINT transaction to refresh the stack.
  
  
  
  Correct Uninstallation Process: Ensure that you are following the correct procedure for uninstalling the add-on. This includes:
  
  Using the correct transaction (e.g., SPAM or SAINT).
  Ensuring that no other processes are interfering with the uninstallation.
  
  
  
  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 can resolve the issue.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and the add-on in question.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SPAM (Support Package Manager) and SAINT (Add-On Installation Tool) for managing add-ons and support packages.
  SAP Notes: Regularly check for SAP Notes related to your specific add-on and version, as they often contain important information about known issues and fixes.
  System Logs: Review system logs (e.g., SM21, ST22) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the error and successfully uninstall the add-on.