How To Fix CNV10400669 - Char. &1: Reference field &2-&3: Conversion routine unknown.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV10400 - Messages for package 10400 (characteristics)

• Message number: 669

• Message text: Char. &1: Reference field &2-&3: Conversion routine unknown.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV10400669 - Char. &1: Reference field &2-&3: Conversion routine unknown. ?

  The SAP error message CNV10400669 indicates that there is an issue with a conversion routine that is not recognized or defined in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  
  Missing Conversion Routine: The specified conversion routine for the character field is not defined in the system. This could happen if the routine was not created or if there is a typo in the routine name.
  Incorrect Field Mapping: The mapping of fields during the data migration process may be incorrect, leading to the system not being able to find the appropriate conversion routine.
  Custom Development: If the conversion routine is a custom one, it may not have been properly implemented or activated in the system.
  
  Solution:
  
  Check Conversion Routines: Verify that the conversion routine for the specified character field is defined in the system. You can do this by checking the relevant ABAP code or configuration settings.
  Correct Field Mapping: Review the field mapping in your migration or conversion project to ensure that all fields are correctly mapped to their corresponding conversion routines.
  Implement Missing Routines: If the conversion routine is missing, you may need to create it. This involves writing the necessary ABAP code to define how the data should be converted.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific instructions or known issues related to the error.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes or enhancements related to data migration.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they found.
  Debugging: If you have access to the development environment, you can debug the data migration process to identify where the error is occurring and gather more context about the missing conversion routine.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.