How To Fix LTR2_CHANGELOG149 - Field &1 with type &2 was removed from the code link signature

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_CHANGELOG -

• Message number: 149

• Message text: Field &1 with type &2 was removed from the code link signature

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_CHANGELOG149 - Field &1 with type &2 was removed from the code link signature ?

  The SAP error message LTR2_CHANGELOG149 indicates that a field has been removed from the code link signature in the context of the SAP Landscape Transformation (SLT) Replication Server. This typically occurs when there are changes in the structure of the source table or the data model that affect the replication process.
  Cause:
  
  Field Removal: The specific field mentioned in the error message has been removed from the source table or has been altered in a way that it is no longer part of the replication structure.
  Data Model Changes: Changes in the underlying data model, such as modifications to the database schema, can lead to this error.
  Configuration Issues: Incorrect or outdated configurations in the SLT setup can also trigger this error.
  
  Solution:
  
  Check Source Table Structure: Verify the structure of the source table in the database to ensure that the field in question still exists. If it has been removed or renamed, you will need to update the SLT configuration accordingly.
  Update SLT Configuration: If the field has been removed intentionally, you may need to adjust the SLT configuration to reflect this change. This can involve:
  
  Removing the field from the replication settings.
  Updating the mapping in the SLT configuration.
  
  
  Reinitialize Replication: In some cases, it may be necessary to reinitialize the replication for the affected table. This can be done through the SLT transaction codes (like LTRC) to ensure that the changes are correctly applied.
  Check for Code Link Signature Updates: If the field was removed as part of a code update, ensure that the SLT system is in sync with the latest changes in the source system.
  Consult Documentation: Review SAP documentation or notes related to SLT and the specific error message for any additional guidance or updates.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like LTRC (SLT Configuration) and LTR2 (Change Log Management) to manage and monitor the replication process.
  SAP Notes: Check for relevant SAP Notes that may provide additional insights or solutions for this specific error.
  SLT Version: Ensure that you are using a compatible version of SLT that supports the changes made in the source system.
  
  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 occurred.