How To Fix CNV_10020438 - Path determination &1 has failed: no target value for &2 &3 (form)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 438

• Message text: Path determination &1 has failed: no target value for &2 &3 (form)

What causes this issue?

Determination using path &V1& was called within a conversion routine
with source package number &V4&. <ZH>Delimitation takes place.</>
No target value for &V2& &V3& can be determined using path &V1&.

System Response

<ZH>The relevant field of the current data record does not participate
in the conversion.</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020438 - Path determination &1 has failed: no target value for &2 &3 (form) ?

  The SAP error message CNV_10020438 indicates that there is an issue with path determination in a conversion or migration process, specifically related to the target value not being found for a specified field or form. This error typically arises during data migration or conversion activities, often when using SAP's Data Migration tools or during system upgrades.
  Cause:
  
  
  Missing Target Value: The error suggests that the system is unable to find a corresponding target value for the specified source value in the mapping configuration. This could be due to:
  
  Incorrect or incomplete mapping configuration.
  Missing entries in the target table or structure.
  Data inconsistencies or errors in the source data.
  
  
  
  Configuration Issues: There may be issues in the configuration of the path determination logic, which could be due to:
  
  Incorrect settings in the customizing or configuration tables.
  Changes in the data model that have not been reflected in the migration settings.
  
  
  
  Data Quality Issues: The source data may contain unexpected or invalid values that do not have a corresponding target value.
  
  
  Solution:
  
  
  Check Mapping Configuration: Review the mapping configuration for the specific field or form indicated in the error message. Ensure that all necessary mappings are defined and that there are no missing entries.
  
  
  Validate Source Data: Examine the source data for any inconsistencies or unexpected values. Cleanse the data if necessary to ensure that it aligns with the expected values in the target system.
  
  
  Review Customizing Settings: Check the customizing settings related to path determination. Ensure that all necessary configurations are in place and that they reflect the current data model.
  
  
  Debugging: If the issue persists, consider using debugging tools to trace the path determination process and identify where the failure occurs. This may provide insights into what specific values are causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be known issues or additional configuration steps required.
  
  
  Engage SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the error message details and any relevant context to help them diagnose the problem.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Data Migration Tools: Familiarize yourself with the specific data migration tools being used (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) and their documentation for best practices and troubleshooting tips.
  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 root cause of the error and implement a solution to resolve it.