How To Fix CNV_10030112 - Best guess mode active for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10030 - Message class for package 10030

• Message number: 112

• Message text: Best guess mode active for &1

What causes this issue?

For components of non-transparent fields where no assignment of an
evaluation rule has been delivered, the system tries to suggest an
assignment. The correctness of this assignment is disputable with
regards to content. Nevertheless, for &V1&, where a suggestion is
possible, this suggestion will be automatically released.
&HINTS&
The best guess mode setting can be changed via the parameter
BEST_GUESS_MODE (transaction CNV_10030_CWBPARAM). Be aware that it is
only active in standard user mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10030112 - Best guess mode active for &1 ?

  The SAP error message CNV_10030112, which states "Best guess mode active for &1," typically relates to data migration or conversion processes within SAP systems, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that the system is operating in a "best guess" mode for data mapping or transformation, which means that the system is making assumptions about how to handle certain data elements due to a lack of explicit mapping or configuration.
  Cause:
  
  Incomplete Configuration: The mapping or transformation rules for the data being migrated may not be fully defined, leading the system to use default or heuristic methods to infer how to process the data.
  Data Quality Issues: The source data may contain inconsistencies or missing values that prevent the system from accurately determining how to map the data to the target structure.
  Migration Tool Settings: The settings in the migration tool may be configured to allow for "best guess" processing, which can be useful in some scenarios but may lead to inaccuracies.
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool to ensure that all necessary mappings are defined explicitly. This may involve reviewing transformation rules and ensuring that all required fields are correctly mapped.
  Data Quality Assessment: Conduct a thorough assessment of the source data to identify any inconsistencies, missing values, or other issues that could affect the migration process. Cleanse the data as necessary to improve its quality.
  Adjust Migration Tool Settings: If appropriate, consider adjusting the settings of the migration tool to disable "best guess" mode or to provide more explicit instructions for handling specific data elements.
  Testing and Validation: After making changes, perform test migrations to validate that the data is being processed correctly and that the desired outcomes are achieved.
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit) for detailed guidance on configuration and best practices.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find insights or solutions from others who have encountered the same error.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the CNV_10030112 error and ensure a smoother data migration process.