How To Fix CNV_PE_UI081 - Existing rule (if existing) will irretrievably be deleted

CNV_PE_UI081 - Overview

• Message type: E = Error

• Message class: CNV_PE_UI -

• Message number: 081

• Message text: Existing rule (if existing) will irretrievably be deleted

What causes this issue?

A new transformation rule with a new name (semantic ID) and new
technical ID (GUID) is created. The old transformation rule is deleted
locally in this system.

System Response

Important information

How to fix this error?

Be aware that the old- and new transformation rule is not added to any
transport request.
You must manually add the new transformation rule to a transport
request.
If the old transformation rule has to be deleted in the system
landscape, it must be added to a transport request prior to executing
this activity.
Trying to upload the new transformation rule (in the context of the
Posting Engine project download/upload) will fail if the target system
is not-modifiable. Such a new transformation rule can only be imported
by transport into a not-modifiable system.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CNV_PE_UI081 - Details

• The SAP error message CNV_PE_UI081 typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that an existing rule (if it exists) will be irretrievably deleted, which can be concerning if you are not prepared for this action.
  
  Cause:
  
  Existing Rules: The error usually arises when you attempt to create or modify a migration rule that conflicts with an existing rule. The system is warning you that the existing rule will be deleted as part of the process.
  Data Migration Process: This message is often seen in the context of data migration projects where rules are defined for data transformation and mapping.
  User Action: The action you are trying to perform (like creating a new rule or modifying an existing one) may lead to the deletion of the current rule.
  
  
  Solution:
  
  Backup Existing Rules: Before proceeding, ensure that you have