How To Fix CNV_PE_GEN035 - Extension TRule generation not possible; TRule &1 already exists

CNV_PE_GEN035 - Overview

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 035

• Message text: Extension TRule generation not possible; TRule &1 already exists

What causes this issue?

The transformation rule does already exist in repository &V3&, but is
<ZH>not </>registered as a generated object in the corresponding posting
engine object

System Response

Error

How to fix this error?

Regenerate the transformation rule using the expert function.

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_GEN035 - Details

• The SAP error message CNV_PE_GEN035 indicates that there is an issue with the generation of a Transformation Rule (TRule) because a TRule with the same name already exists in the system. This error typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or Conversion tools.
  
  Cause:
  The primary cause of this error is that the system is attempting to create a new Transformation Rule (TRule) with a name that already exists in the database. This can happen due to:
  
  Duplicate entries in the migration or conversion configuration.
  An attempt to regenerate a TRule that has already been created.
  A previous migration attempt that did not complete successfully, leaving behind existing TRules.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing TRules:
  
  Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check if the TRule with the specified name already exists.
  You can also use the relevant migration