How To Fix CNV_10020023 - Elementary relationship &1, source obj.: Table field &2-&3 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 023

• Message text: Elementary relationship &1, source obj.: Table field &2-&3 does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020023 - Elementary relationship &1, source obj.: Table field &2-&3 does not exist ?

  The SAP error message CNV_10020023 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 mapping of fields in the source data to the target structure in the SAP system.
  Cause:
  The error message "Elementary relationship &1, source obj.: Table field &2-&3 does not exist" suggests that:
  
  The specified field in the source data does not exist in the source table or structure.
  There may be a mismatch between the field names or data types in the source and target systems.
  The data migration configuration may be incorrect, leading to an attempt to access a non-existent field.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Field Existence:
  
  Verify that the field specified in the error message actually exists in the source table. You can do this by checking the data dictionary (transaction SE11) for the relevant table and field.
  
  
  
  Review Mapping Configuration:
  
  Check the mapping configuration in the migration tool. Ensure that the source fields are correctly mapped to the target fields. If there are discrepancies, correct the mapping.
  
  
  
  Data Structure Alignment:
  
  Ensure that the data structure in the source system aligns with the expected structure in the target system. If there are changes in the data model (e.g., fields added or removed), update the migration configuration accordingly.
  
  
  
  Data Quality Check:
  
  Perform a data quality check on the source data to ensure that it is complete and conforms to the expected format. Missing or incorrectly formatted data can lead to such errors.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidelines or prerequisites that need to be followed.
  
  
  
  Debugging:
  
  If the issue persists, consider enabling debugging or logging in the migration tool to get more detailed information about the error.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE37 (Function Module), and ST22 (Dump Analysis) can be useful for troubleshooting.
  Migration Tools: Familiarize yourself with the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and its documentation.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered 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.