How To Fix CNV125 - Different aggr. functions are set for field &2 in table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 125

• Message text: Different aggr. functions are set for field &2 in table &1

What causes this issue?

The blended packages have different aggregate functions defined for the
field &V2& in the table &V1&.
Package &V3&, table &V1&, field &V2&
Package &V4&, table &V1&, field &V2&

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?

Check the settings of the source packages to find out if the packages
can actually be blended or not. If yes then contact SAP support.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV125 - Different aggr. functions are set for field &2 in table &1 ?

  The SAP error message CNV125 "Different aggregation functions are set for field &2 in table &1" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are conflicting aggregation functions defined for a specific field in a table, which can lead to inconsistencies in data processing.
  Cause:
  
  Conflicting Aggregation Functions: The error arises when the same field in a table has been assigned different aggregation functions in different contexts or mappings. For example, one mapping might specify that the field should be summed, while another might specify that it should be averaged.
  Data Model Changes: If the data model has changed (e.g., during a system upgrade or migration), the aggregation functions may not align with the new model requirements.
  Configuration Issues: Incorrect configuration in the migration settings or mapping definitions can lead to this error.
  
  Solution:
  
  Review Mapping Definitions: Check the mapping definitions for the specific table and field mentioned in the error message. Ensure that the same aggregation function is consistently applied across all mappings for that field.
  Adjust Aggregation Functions: If you find conflicting aggregation functions, decide on a single aggregation function that should be used for that field and update the mappings accordingly.
  Consult Documentation: Refer to the SAP documentation for the specific migration or conversion process you are using. There may be guidelines on how to handle aggregation functions.
  Test Changes: After making adjustments, run the migration or conversion process again to see if the error persists.
  Seek Support: If the issue continues, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling aggregation functions during data migration.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using, as it may contain best practices and troubleshooting tips.
  Data Model Changes: If you are migrating from an older version of SAP to S/4HANA, familiarize yourself with the changes in the data model, as this can impact how fields and their aggregation functions are defined.
  
  By addressing the conflicting aggregation functions and ensuring consistency in your mappings, you should be able to resolve the CNV125 error.