How To Fix CNV_PE519 - Link field &1 does not belong to a link structure &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 519

• Message text: Link field &1 does not belong to a link structure &2

What causes this issue?

Link field &V1& is assigned to a data field &V3&, however the
corresponding data structure is not linked to the structure &V4&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE519 - Link field &1 does not belong to a link structure &2 ?

  The SAP error message CNV_PE519 indicates that there is an issue with a link field in a conversion or migration process. Specifically, it states that the link field specified (denoted as &1) does not belong to the link structure specified (denoted as &2). This error typically arises during data migration or conversion activities, particularly when using SAP's data migration tools.
  Cause:
  
  Incorrect Mapping: The link field may have been incorrectly mapped to a structure that does not include it. This can happen if the data model has changed or if there was a misunderstanding of the data structure.
  Configuration Issues: The link structure may not be properly configured in the system, leading to discrepancies between expected and actual fields.
  Data Model Changes: If there have been changes to the underlying data model (e.g., during an upgrade or customization), the link field may no longer be valid for the specified link structure.
  Typographical Errors: There may be typographical errors in the field names or structures being referenced.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration to ensure that the link field is correctly associated with the appropriate link structure. Make sure that the field names and structures are correctly defined.
  Validate Data Structures: Verify that the link structure (&2) is correctly defined in the system and includes the link field (&1). You may need to consult the data dictionary or relevant documentation.
  Update Data Model: If there have been changes to the data model, update the mapping and configurations accordingly to reflect these changes.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or updates that address this issue.
  Testing: After making changes, perform a test run of the migration or conversion process to ensure that the error has been resolved.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the definitions of the link structures and fields.
  Migration Tools: If you are using specific migration tools (like SAP S/4HANA Migration Cockpit), refer to their documentation for troubleshooting steps related to link structures and fields.
  Community Forums: Consider searching or posting in SAP community forums for additional 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 CNV_PE519 error and implement a solution to resolve it.