How To Fix CNV_10020408 - &1 elementary relationships were marked for loading

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 408

• Message text: &1 elementary relationships were marked for loading

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020408 - &1 elementary relationships were marked for loading ?

  The SAP error message CNV_10020408 typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a certain number of elementary relationships (data relationships that are fundamental to the data model) have been marked for loading but have not been processed correctly.
  Cause:
  
  Data Integrity Issues: The error may arise due to inconsistencies or integrity issues in the source data. For example, if there are missing references or relationships that are required for the data to be loaded correctly.
  Configuration Issues: Incorrect configuration settings in the migration tool or the data model can lead to this error.
  Mapping Errors: If the mapping of source data to target data is not correctly defined, it can result in relationships not being established properly.
  Missing Dependencies: If the data being loaded has dependencies on other data that has not yet been loaded, this can cause the error.
  
  Solution:
  
  Check Data Integrity: Review the source data for any inconsistencies or missing relationships. Ensure that all required data is present and correctly formatted.
  Review Migration Configuration: Verify the configuration settings in the migration tool. Ensure that all necessary parameters are set correctly.
  Validate Mapping: Check the mapping of source fields to target fields. Ensure that all relationships are correctly defined and that there are no missing mappings.
  Load Dependencies First: If there are dependencies between data sets, ensure that the dependent data is loaded before the data that relies on it.
  Consult Logs: Review the migration logs for more detailed error messages that can provide insights into what specifically is causing the issue.
  Use SAP Notes: Check for any relevant SAP Notes or documentation that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for detailed guidelines and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.