How To Fix CNV_10020143 - &1 &2: Source field &3 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 143

• Message text: &1 &2: Source field &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_10020143 - &1 &2: Source field &3 does not exist ?

  The SAP error message CNV_10020143 typically indicates that during a data migration or conversion process, the system is unable to find a specified source field in the data structure. This error is often encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion programs.
  Cause:
  
  Field Name Mismatch: The source field specified in the migration or conversion mapping does not exist in the source data structure. This could be due to a typo or an incorrect field name.
  Data Structure Changes: The source system may have undergone changes, such as field deletions or renaming, which means the expected field is no longer available.
  Incorrect Mapping: The mapping configuration may be incorrect, pointing to a field that is not part of the source data.
  Version Compatibility: The version of the source system may not be compatible with the expected fields in the target system.
  
  Solution:
  
  Verify Field Names: Check the source data structure to ensure that the field name specified in the error message exists. Correct any typos or discrepancies.
  Update Mapping Configuration: If the mapping configuration is incorrect, update it to reflect the correct field names and structures.
  Check Source System: Ensure that the source system is in the expected state and that the necessary fields are present. If fields have been removed or renamed, update the migration mapping accordingly.
  Consult Documentation: Review the migration documentation for the specific version of SAP you are using to ensure that you are following the correct procedures and mappings.
  Testing: After making the necessary corrections, run a test migration to ensure that the error has been resolved.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific migration tool you are using. SAP often provides updates and fixes for known issues.
  Migration Cockpit Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for detailed guidance on field mappings and requirements.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.