How To Fix IUUC_CLOG_CORE187 - '&1' changed to '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CLOG_CORE - SLT Change Log Messages

• Message number: 187

• Message text: '&1' changed to '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_CLOG_CORE187 - '&1' changed to '&2' ?

  The SAP error message IUUC_CLOG_CORE187 typically relates to issues with the Change Log (CLOG) in the SAP Landscape Transformation (SLT) replication process. This message indicates that a certain record has been changed from one value ('&1') to another ('&2'). 
  Cause:
  
  Data Changes: The error usually arises when there are changes in the source system that are not being captured or replicated correctly in the target system.
  Configuration Issues: There may be misconfigurations in the SLT setup, such as incorrect table mappings or replication settings.
  Performance Issues: If the SLT system is under heavy load, it may not process changes in a timely manner, leading to discrepancies.
  Data Consistency: There may be issues with data consistency between the source and target systems, possibly due to manual changes or other processes affecting the data.
  
  Solution:
  
  Check SLT Configuration: Review the SLT configuration settings to ensure that all mappings and settings are correct. Verify that the source and target systems are properly connected.
  Monitor Replication Jobs: Use transaction codes like LTRC (SLT Monitoring) to check the status of replication jobs. Look for any errors or warnings that may indicate issues with data replication.
  Data Consistency Check: Perform a consistency check between the source and target systems to identify any discrepancies. You may need to manually reconcile data if inconsistencies are found.
  Adjust Performance Settings: If performance is an issue, consider adjusting the SLT performance settings or increasing system resources to handle the load better.
  Review Change Logs: Investigate the change logs to understand what changes are being made and why they are not being replicated correctly. This may involve looking at the source system's logs as well.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTRC for monitoring SLT, SLT for configuration, and SM37 for job monitoring.
  Documentation: Refer to SAP Help documentation for SLT to understand the architecture and best practices for configuration and monitoring.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.