How To Fix CNV_20340_CHECK010 - No source provided for target &1. Mapping is not complete

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20340_CHECK - Message Class for 20340 Checks

• Message number: 010

• Message text: No source provided for target &1. Mapping is not complete

What causes this issue?

The provided mapping is incomplete. A mapping line contains a target
value (&V1&) but not a source value.

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?

You have to complete the mapping by providing the requested field values
or by deleting the mapping line which causes the problem.

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_20340_CHECK010 - No source provided for target &1. Mapping is not complete ?

  The SAP error message CNV_20340_CHECK010 indicates that there is an issue with the data mapping in a conversion or migration process. Specifically, it means that there is no source data provided for a target field, which results in an incomplete mapping. This error typically occurs during data migration projects, especially when using SAP's data migration tools or conversion programs.
  Cause:
  
  Missing Source Data: The target field in the mapping does not have a corresponding source field defined, which means that the system cannot find the data it needs to populate the target.
  Incorrect Mapping Configuration: The mapping configuration may be incomplete or incorrectly set up, leading to missing links between source and target fields.
  Data Model Changes: Changes in the data model (e.g., changes in the structure of the source or target systems) may result in mismatches in the expected mapping.
  Configuration Errors: Errors in the configuration of the migration tool or program can lead to this issue.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration to ensure that all target fields have corresponding source fields defined. Make sure that the mapping is complete and correctly set up.
  Update Data Model: If there have been changes to the data model, update the mapping to reflect these changes. Ensure that all necessary fields are included in the mapping.
  Validate Source Data: Ensure that the source data is available and correctly formatted. Check if the source data extraction process has been completed successfully.
  Use Migration Tools: If you are using SAP's migration tools (like SAP S/4HANA Migration Cockpit), ensure that you are following the correct procedures and guidelines for mapping.
  Consult Documentation: Refer to the relevant SAP documentation or guides for the specific migration tool you are using to ensure that you are following best practices.
  Testing: After making changes, perform a test run of the migration to verify that the error has been resolved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific migration tool or process you are using. There may be specific fixes or recommendations for this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation related to data migration and mapping in SAP to better understand the process and avoid similar issues in the future.
  
  By addressing the mapping configuration and ensuring that all necessary source data is available, you should be able to resolve the CNV_20340_CHECK010 error.