How To Fix CNV_DMC_WDA133 - The project contains custom fields, see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 133

• Message text: The project contains custom fields, see long text

What causes this issue?

A migration object in your project contains custom fields. For such
migration objects, you need to ensure that the custom fields are the
same in both the quality (Q) and production (P) systems. After you
import the project to the production system<(>,<)> you need to open the
migration object so that the migration object is updated to reflect the
custom fields.

System Response

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

How to fix this error?

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 CNV_DMC_WDA133 - The project contains custom fields, see long text ?

  The SAP error message CNV_DMC_WDA133 typically indicates that there are custom fields present in the project that need to be addressed before proceeding with a data migration or conversion process. This error is part of the Data Migration Cockpit (DMC) and is related to the handling of custom fields in the migration project.
  Cause:
  
  Custom Fields: The project includes custom fields that are not recognized or properly configured in the migration template or mapping.
  Incompatibility: The presence of custom fields may lead to incompatibility with the standard migration processes, as the system may not know how to handle these fields.
  Configuration Issues: There may be issues with the configuration of the custom fields in the source or target systems.
  
  Solution:
  
  Review Custom Fields: Check the list of custom fields in your project. Identify which fields are causing the issue.
  Mapping Configuration: Ensure that the custom fields are correctly mapped in the migration template. You may need to create specific mappings for these fields.
  Adjust Migration Settings: If necessary, adjust the migration settings to accommodate the custom fields. This may involve modifying the data structure or the migration logic.
  Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit to understand how to handle custom fields during migration.
  Testing: After making the necessary adjustments, perform a test migration to ensure that the custom fields are processed correctly without errors.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who has experience with data migration projects.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  Data Migration Cockpit (DMC): Familiarize yourself with the functionalities and limitations of the DMC, especially regarding custom fields.
  Custom Development: If your organization has custom developments, ensure that they are documented and that the migration team is aware of them.
  Training and Resources: Consider training sessions or resources on data migration best practices in SAP to better understand how to handle custom fields.
  
  By addressing the custom fields as outlined, you should be able to resolve the CNV_DMC_WDA133 error and proceed with your data migration project.