How To Fix CNV_10020022 - Elementary relationship &1, source obj.: Table field was not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 022

• Message text: Elementary relationship &1, source obj.: Table field was not maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020022 - Elementary relationship &1, source obj.: Table field was not maintained ?

  The SAP error message CNV_10020022 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the elementary relationship for a specific source object, where a table field has not been maintained or is missing.
  Cause:
  
  
  Missing Field Maintenance: The error suggests that a required field in the source table is not properly maintained or is missing. This could be due to:
  
  The field not being populated in the source data.
  The field being incorrectly mapped or not included in the migration template.
  Data inconsistencies or errors in the source system.
  
  
  
  Incorrect Configuration: The configuration settings for the migration might not align with the source data structure, leading to discrepancies.
  
  
  Data Type Mismatch: There may be a mismatch in data types between the source and target systems, causing the migration tool to fail in recognizing the field.
  
  
  Solution:
  
  
  Check Source Data: Review the source data to ensure that all required fields are populated and correctly formatted. Make sure that the data adheres to the expected structure.
  
  
  Review Migration Template: If you are using a migration template, verify that all necessary fields are included and correctly mapped. Ensure that the field in question is present in the template.
  
  
  Field Maintenance: If the field is supposed to be maintained in the source system, ensure that it is correctly set up and populated. You may need to update the source data to include the missing information.
  
  
  Configuration Review: Check the configuration settings in the migration tool to ensure they match the source data structure. Adjust any settings as necessary.
  
  
  Data Type Validation: Ensure that the data types in the source system match those expected in the target system. If there are discrepancies, you may need to convert or adjust the data types accordingly.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration process you are using. There may be additional guidelines or troubleshooting steps provided.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for best practices and troubleshooting tips.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.