How To Fix LTR2_CHANGELOG108 - Target data model changed

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_CHANGELOG -

• Message number: 108

• Message text: Target data model changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_CHANGELOG108 - Target data model changed ?

  The SAP error message LTR2_CHANGELOG108 indicates that there has been a change in the target data model of a Data Warehouse (BW) object, which is typically related to the use of the SAP Landscape Transformation (SLT) replication server. This error usually occurs when the structure of the target table in the BW system has been modified after the initial configuration of the SLT replication.
  Cause:
  The error can be caused by several factors, including:
  
  Schema Changes: Changes to the target data model, such as adding or removing fields, changing data types, or modifying key fields.
  Inconsistent Metadata: The metadata in the SLT system does not match the current structure of the target table in the BW system.
  Replication Configuration: The SLT replication configuration may not be updated to reflect the changes made to the target data model.
  
  Solution:
  To resolve the LTR2_CHANGELOG108 error, you can follow these steps:
  
  
  Check Target Data Model: Review the target data model in the BW system to identify any changes that have been made. Ensure that the structure matches what is expected by the SLT configuration.
  
  
  Update SLT Configuration:
  
  Go to the SLT configuration in the SAP system.
  Refresh the configuration to ensure that it reflects the current state of the target data model.
  You may need to reconfigure the replication settings if significant changes have been made.
  
  
  
  Reinitialize Replication:
  
  If the changes are substantial, consider reinitializing the data replication. This involves stopping the replication, deleting the existing data in the target table, and then starting the replication process again.
  Use transaction code LTRC to manage the replication settings.
  
  
  
  Check for Errors: After making the necessary changes, monitor the SLT logs for any further errors or warnings that may indicate additional issues.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to SLT and data model changes for specific guidance and best practices.
  
  
  Related Information:
  
  Transaction Codes: 
  
  LTRC: SLT Configuration
  LTR2: SLT Monitoring
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  SLT Documentation: Review the official SAP documentation for Landscape Transformation to understand the implications of data model changes and how to manage them effectively.
  
  By following these steps, you should be able to resolve the LTR2_CHANGELOG108 error and ensure that your SLT replication is functioning correctly with the updated target data model.