How To Fix CNV_00001107 - No fields chosen for aggregation

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 107

• Message text: No fields chosen for aggregation

What causes this issue?

No fields of table &V1& were chosen to be aggregated, although the
duplicate handling type was set to 'General aggregate routine'.

System Response

In case of duplicate entries in the update phase of the conversion all
fields of the table will be treated as if 'Ignore' handling type was
chosen (which means, that from the conflicting table rows - the one
will win that is already in the database).

How to fix this error?

Choose some fields to be aggregated or change the duplicate handling
type.

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_00001107 - No fields chosen for aggregation ?

  The SAP error message CNV_00001107: No fields chosen for aggregation typically occurs during data migration or transformation processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that the system expects certain fields to be selected for aggregation, but none have been specified.
  Cause:
  
  Missing Field Selection: The most common cause is that the user has not selected any fields for aggregation in the transformation or mapping settings.
  Incorrect Configuration: There may be a misconfiguration in the data transformation settings, leading to the system not recognizing any fields for aggregation.
  Data Model Issues: The underlying data model may not have the necessary fields defined for aggregation, or the fields may not be compatible with the aggregation process.
  
  Solution:
  
  
  Select Fields for Aggregation:
  
  Go to the transformation or mapping settings where the error occurred.
  Ensure that you have selected the appropriate fields that you want to aggregate. This may involve checking the source and target mappings to ensure that the fields are correctly defined.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the data migration or transformation process. Ensure that all necessary parameters are set correctly and that the aggregation settings are properly defined.
  
  
  
  Check Data Model:
  
  Review the data model to ensure that the fields intended for aggregation are present and correctly defined. If necessary, modify the data model to include the required fields.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources related to the specific tool you are using (e.g., SLT, Data Services) for additional guidance on setting up aggregations.
  
  
  
  Testing:
  
  After making the necessary changes, run a test migration or transformation to verify that the error has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any 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.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to resolve the CNV_00001107 error and successfully configure your data aggregation settings.