How To Fix CNV_PE_GEN125 - For client field &1 a transformation is already defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 125

• Message text: For client field &1 a transformation is already defined

What causes this issue?

For the client field &V1& (type CLNT) a user-defined transformation is
present.

System Response

For each structured parameter (for example, T_ACCIT) of the transfer
method function module the transformation rule
_PE_GET_CLIENT_OF_RFC_SYSTEM is automatically added to the client field
(first field within the structured parameter).
This process is been triggered due to the respective setting of the
transfer method.
This transformation enhancement is automatically done during the
generation of the function module WL210 and ensures that the client of
the receiver system is added to the respective field during the build up
of the transfer list.
This automatic client transformation is not visible in the
<ZK>Transformations </>tab, however the system found that a user-defined
transformation is already present for the field &V1&.

How to fix this error?

Check if both client transformations (the user-defined as well as the
automatic client transformation) will lead to the same result. At the
latest this can be done after the transfer list has been built up. Check
if a different result is acceptable or would lead to errors and adapt
your user defined transformation accordingly.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_GEN125 - For client field &1 a transformation is already defined ?

  The SAP error message CNV_PE_GEN125 indicates that there is an issue with the transformation definition for a specific client field in the context of a data migration or conversion process. This error typically arises when you attempt to define a transformation for a client field that has already been defined in the system.
  Cause:
  The error occurs due to the following reasons:
  
  Duplicate Transformation Definition: You are trying to create a new transformation for a client field that already has an existing transformation defined.
  Incorrect Configuration: There may be a misconfiguration in the data migration settings or the transformation logic that leads to this conflict.
  Data Migration Tool Limitations: The data migration tool you are using may have restrictions on how transformations can be defined for certain fields.
  
  Solution:
  To resolve the CNV_PE_GEN125 error, you can take the following steps:
  
  
  Check Existing Transformations:
  
  Review the existing transformations for the client field in question. You can do this by navigating to the relevant transaction or configuration area where transformations are defined.
  Identify if there is indeed a transformation already defined for the field.
  
  
  
  Modify or Delete Existing Transformation:
  
  If a transformation already exists and is not needed, consider deleting or modifying it to accommodate the new transformation you want to define.
  Ensure that any changes made do not adversely affect other processes or data integrity.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific data migration tool you are using. There may be specific guidelines or best practices for handling transformations.
  
  
  
  Use Unique Transformations:
  
  If you need to define a new transformation, ensure that it is unique and does not conflict with existing definitions. You may need to adjust the logic or parameters of the transformation.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or the version of the tool you are using.
  
  
  
  Related Information:
  
  Data Migration Tools: Familiarize yourself with the specific data migration tools and methodologies used in your SAP environment (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services).
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community 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 identify the cause of the CNV_PE_GEN125 error and implement a solution to resolve it.