How To Fix CNV_00001606 - No technically suitable aggregate routine found; see long text

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 606

• Message text: No technically suitable aggregate routine found; see long text

What causes this issue?

Field &V2& of table &V1& is not delivered by SAP. If the available
aggregation methods (sum, maximum, minimum) are not suitable, then you
must create a custom aggregate routine.

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?

Select one of the available aggregation routines, or create a custom
aggregate routine.

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_00001606 - No technically suitable aggregate routine found; see long text ?

  The SAP error message CNV_00001606 indicates that there is no technically suitable aggregate routine found for the operation you are trying to perform. This error typically occurs in the context of data migration or transformation processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  
  Missing Aggregate Routine: The error suggests that the system is unable to find an appropriate aggregate routine that matches the requirements of the data transformation or migration process.
  Configuration Issues: There may be configuration issues in the data model or the transformation rules that prevent the system from identifying a suitable routine.
  Incompatibility: The data types or structures being used may not be compatible with the existing aggregate routines.
  Custom Development: If custom routines have been developed, they may not be properly registered or may have errors that prevent them from being recognized.
  
  Solution:
  
  Check Aggregate Routines: Review the existing aggregate routines in the system to ensure that they are correctly defined and suitable for the data being processed.
  Configuration Review: Verify the configuration settings related to the data transformation or migration process. Ensure that all necessary parameters are set correctly.
  Custom Routines: If you are using custom aggregate routines, check the implementation for errors and ensure they are properly registered in the system.
  Update or Create Routines: If no suitable routine exists, you may need to create a new aggregate routine that meets the requirements of your data processing needs.
  Consult Documentation: Refer to the SAP documentation for guidance on defining and using aggregate routines, as well as troubleshooting tips for common issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration and transformation, such as LTMC (Legacy Transfer Migration Cockpit) or LTMOM (Migration Object Modeler), which may provide additional insights into the configuration and routines being used.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.