How To Fix CNV_00001602 - No suitable conversion routine was found for field &2 of table &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 602

• Message text: No suitable conversion routine was found for field &2 of table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001602 - No suitable conversion routine was found for field &2 of table &1 ?

  The SAP error message CNV_00001602 indicates that there is no suitable conversion routine available for a specific field in a table during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  Cause:
  
  
  Missing Conversion Routine: The primary cause of this error is that the system cannot find a predefined conversion routine for the specified field in the specified table. This can happen if:
  
  The field is not supported by the standard conversion routines provided by SAP.
  The field is custom or has been modified in a way that the standard routines do not recognize it.
  
  
  
  Data Type Mismatch: The data type of the source field may not match the expected data type of the target field, leading to the absence of a suitable conversion routine.
  
  
  Configuration Issues: There may be configuration issues in the data migration settings that prevent the correct mapping of fields.
  
  
  Solution:
  
  
  Check Conversion Routines: 
  
  Verify if there are any existing conversion routines for the field in question. You can do this by checking the relevant function modules or conversion routines in the SAP system.
  If a routine exists, ensure it is correctly assigned to the field in the migration settings.
  
  
  
  Create Custom Conversion Routine: 
  
  If no suitable routine exists, you may need to create a custom conversion routine. This involves:
  
  Writing a custom ABAP function module that defines how to convert the data from the source format to the target format.
  Registering this function module in the appropriate configuration settings for the migration.
  
  
  
  
  
  Data Type Alignment: 
  
  Ensure that the data types of the source and target fields are compatible. If there is a mismatch, consider adjusting the data types or using a different field that has a suitable conversion routine.
  
  
  
  Review Migration Settings: 
  
  Check the migration settings and mappings to ensure that all fields are correctly configured and that there are no missing or incorrect mappings.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context on conversion routines.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Testing: After implementing changes, conduct thorough testing to ensure that the conversion process works as expected without further errors.
  
  By following these steps, you should be able to resolve the CNV_00001602 error and successfully complete your data migration or conversion process.