How To Fix IUUC_CLOG_CORE359 - Restart if Complex Changes Occur

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CLOG_CORE - SLT Change Log Messages

• Message number: 359

• Message text: Restart if Complex Changes Occur

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_CLOG_CORE359 - Restart if Complex Changes Occur ?

  The SAP error message "IUUC_CLOG_CORE359 Restart if Complex Changes Occur" typically relates to issues encountered during the data replication process in SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there are complex changes in the source system that the replication process cannot handle without a restart.
  Cause:
  
  Complex Changes: The error usually arises when there are complex changes in the source data, such as multiple inserts, updates, or deletes that occur simultaneously or in a manner that the replication process cannot manage effectively.
  Data Consistency Issues: If the data in the source system is inconsistent or if there are issues with the data model, it can lead to this error.
  Configuration Issues: Incorrect configuration of the SLT or Data Services settings can also lead to this error.
  Performance Issues: High load on the source or target systems can cause delays or failures in processing complex changes.
  
  Solution:
  
  Restart the Replication Process: As the error message suggests, restarting the replication process can often resolve the issue. This can be done through the SLT configuration or Data Services management console.
  Check for Data Consistency: Ensure that the data in the source system is consistent and that there are no integrity issues. You may need to run consistency checks or data validation.
  Review Configuration Settings: Check the configuration settings for SLT or Data Services to ensure they are set up correctly for the type of data being replicated.
  Monitor System Performance: Monitor the performance of both the source and target systems to ensure they are not overloaded. If necessary, optimize the systems or schedule replication during off-peak hours.
  Log Analysis: Review the logs for more detailed error messages or warnings that can provide insights into what caused the complex changes. This can help in identifying specific records or transactions that triggered the error.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SLT or Data Services for detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Support Tickets: If the issue persists, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to address the IUUC_CLOG_CORE359 error and ensure smoother data replication processes.