How To Fix CNV10400671 - Char. &1: Conversion routine &2 is unknown or requires parameters.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 671

• Message text: Char. &1: Conversion routine &2 is unknown or requires parameters.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV10400671 - Char. &1: Conversion routine &2 is unknown or requires parameters. ?

  The SAP error message CNV10400671 typically occurs during data conversion processes, particularly when using the SAP Data Migration tools or during the execution of conversion programs. This error indicates that a specific conversion routine is either not recognized by the system or requires additional parameters that have not been provided.
  Cause:
  
  Unknown Conversion Routine: The conversion routine specified in the data mapping or transformation is not defined in the system. This could happen if the routine was deleted, not activated, or if there is a typo in the routine name.
  Missing Parameters: The conversion routine may require certain parameters to function correctly, and if these parameters are not provided, the system cannot execute the routine.
  Configuration Issues: There may be issues with the configuration of the data migration tools or the specific project settings that lead to this error.
  
  Solution:
  
  
  Check Conversion Routine:
  
  Verify that the conversion routine specified in the error message exists in the system. You can do this by checking the relevant function module or routine in the SAP system.
  Ensure that the routine is activated and correctly defined.
  
  
  
  Provide Required Parameters:
  
  If the conversion routine requires parameters, ensure that you are passing all necessary parameters in the correct format. Review the documentation for the conversion routine to understand what parameters are needed.
  
  
  
  Review Data Mapping:
  
  Check the data mapping configuration to ensure that the correct conversion routine is assigned to the relevant fields. Look for any discrepancies or errors in the mapping.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific conversion routine you are using. This can provide insights into common issues and their resolutions.
  
  
  
  Debugging:
  
  If you have access to the development environment, consider debugging the program to trace where the error occurs. This can help identify if the routine is being called correctly and if the parameters are being passed as expected.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for assistance. They may have additional insights or patches that can resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE37 (Function Module) or SE80 (Object Navigator) to explore the conversion routines.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide updates related to data migration tools.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.