How To Fix LTR_MODEL_APPL097 - Secondary key is not linked to the primary key

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR_MODEL_APPL -

• Message number: 097

• Message text: Secondary key is not linked to the primary key

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR_MODEL_APPL097 - Secondary key is not linked to the primary key ?

  The SAP error message LTR_MODEL_APPL097 indicates that there is an issue with the linkage between a secondary key and a primary key in the context of a data model, typically within the SAP Landscape Transformation (SLT) or SAP Data Services environment. This error usually arises when the system expects a secondary key to be associated with a primary key, but it is not properly configured.
  Cause:
  
  Missing Linkage: The secondary key is not defined or linked to the primary key in the data model.
  Configuration Issues: There may be a misconfiguration in the data model settings or the transformation rules.
  Data Model Changes: Changes made to the data model without updating the relationships between keys can lead to this error.
  Inconsistent Data: The data being processed may not conform to the expected structure, leading to a failure in key linkage.
  
  Solution:
  
  Check Key Definitions: Review the definitions of both the primary and secondary keys in the data model. Ensure that the secondary key is correctly defined and linked to the primary key.
  Update Data Model: If there have been recent changes to the data model, ensure that all relationships are updated accordingly. This may involve re-establishing the link between the primary and secondary keys.
  Review Transformation Rules: Check the transformation rules to ensure that they correctly reference the primary and secondary keys.
  Data Consistency: Validate the data being processed to ensure it meets the expected structure and that all necessary keys are present.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring keys in your version of SAP.
  Testing: After making changes, test the data model to ensure that the error is resolved and that data processing works as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  Documentation: Review the official SAP documentation for Landscape Transformation or Data Services for best practices on key management and data modeling.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.