How To Fix CNV_10020027 - Elementary relationship &1, target obj.: Table for field was not maint.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 027

• Message text: Elementary relationship &1, target obj.: Table for field was not maint.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020027 - Elementary relationship &1, target obj.: Table for field was not maint. ?

  The SAP error message CNV_10020027 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 field in the target object, meaning that the system could not find the necessary maintenance or mapping for that field in the target table.
  Cause:
  
  Missing Mapping: The field in the source data does not have a corresponding mapping in the target table.
  Configuration Issues: The target structure may not be properly configured to accept the data from the source.
  Data Model Changes: Changes in the data model between the source and target systems may lead to discrepancies.
  Incomplete Customization: If the target system has custom fields or tables that are not properly defined, this error can occur.
  
  Solution:
  
  Check Mapping: Review the mapping configuration in the migration tool to ensure that all fields from the source are correctly mapped to the target fields.
  Maintain Target Table: Ensure that the target table is properly maintained and that all necessary fields are defined. This may involve adding missing fields or adjusting the structure.
  Review Data Model: Check for any changes in the data model between the source and target systems. Ensure that the target system is set up to accommodate the incoming data.
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration process you are using to ensure that all steps have been followed correctly.
  Debugging: If the issue persists, consider using debugging tools or transaction codes (like SE80 or SE11) to analyze the data flow and identify where the mapping is failing.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check the structure of the target table and SE80 (Object Navigator) for more detailed analysis.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Community Forums: Engage with SAP community forums or support channels 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.