How To Fix SCWN852 - Cannot deimplement note &1 (no backup of transport-based instruction &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SCWN - Messages Note installation and management

• Message number: 852

• Message text: Cannot deimplement note &1 (no backup of transport-based instruction &2)

What causes this issue?

You want to deimplement SAP Note <(>&<)>1. This not contains the
transport-based correction instruction <(>&<)>2, which cannot be rolled
back.

System Response

You want to deimplement the note. The transport-based correction
instruction <(>&<)>1 cannot be rolled back, however, since no backup is
available.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

This is an information message.

How to fix this error?

Transport-based correction instructions cannot be rolled back. This is
only possible if a backup of the transport-based instruction in question
is available in the system.
For more information, see the PDF attached to SAP Note 2187425.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCWN852 - Cannot deimplement note &1 (no backup of transport-based instruction &2) ?

  The SAP error message SCWN852 indicates that there is an issue with deimplementing a support package or a note in the SAP system. Specifically, it means that the system cannot deimplement the specified note because there is no backup of the transport-based instruction associated with it.
  Cause:
  
  Missing Backup: The primary cause of this error is that there is no backup of the transport request that was used to implement the note. When a note is implemented, a transport request is created, and if there is no backup of this request, the system cannot reverse the changes made by the note.
  Manual Changes: If manual changes were made to the objects affected by the note after its implementation, this could also lead to issues when trying to deimplement it.
  Transport Request Deletion: If the transport request was deleted or not properly recorded in the system, it would lead to this error.
  
  Solution:
  
  Check Transport Request: Verify if the transport request associated with the note is still available in the system. You can do this by checking the transport logs or using transaction codes like SE01 or SE09.
  Restore Backup: If a backup of the transport request exists, you can restore it. If not, you may need to manually revert the changes made by the note.
  Manual Reversion: If the note cannot be deimplemented due to the lack of a transport request, you may need to manually revert the changes made by the note. This involves identifying the changes and restoring the original state of the affected objects.
  Consult SAP Notes: Check for any SAP notes related to the specific note you are trying to deimplement. Sometimes, SAP provides guidance on how to handle such situations.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide specific instructions or tools to help with the deimplementation.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE01 (Transport Organizer), SE09 (Workbench Organizer), and SNOTE (SAP Note Assistant) for managing transport requests and notes.
  SAP Notes: Always check the SAP Support Portal for any relevant notes that might address the specific issue you are facing.
  Backup Strategy: Implement a backup strategy for transport requests in your SAP landscape to avoid similar issues in the future. This can include regular exports of transport requests or using a version control system for custom developments.
  
  By following these steps, you should be able to address the SCWN852 error and successfully manage the implementation and deimplementation of SAP notes.