How To Fix IUUC_CLOG_CORE123 - Write Runtime Information

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CLOG_CORE - SLT Change Log Messages

• Message number: 123

• Message text: Write Runtime Information

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_CLOG_CORE123 - Write Runtime Information ?

  The SAP error message IUUC_CLOG_CORE123 "Write Runtime Information" typically relates to issues encountered during the execution of the SAP Landscape Transformation (SLT) replication process. This error can occur when there are problems with the data transfer or logging mechanisms in the SLT system.
  Causes:
  
  Network Issues: Temporary network disruptions can lead to failures in data transfer.
  Database Locking: If the target database is locked or if there are issues with database connections, it can prevent data from being written.
  Configuration Errors: Incorrect configuration settings in the SLT system or the source/target systems can lead to replication issues.
  Insufficient Resources: Lack of memory or CPU resources on the SLT server can cause performance issues, leading to this error.
  Data Consistency Issues: If there are inconsistencies in the data being replicated, it may lead to runtime errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the source and target systems. You can use tools like ping or traceroute to diagnose connectivity.
  Review Logs: Check the SLT logs for more detailed error messages. The logs can provide insights into what specifically went wrong during the replication process.
  Database Health Check: Ensure that the target database is healthy and not experiencing locking issues. You may need to check for long-running transactions or locks.
  Configuration Review: Verify the SLT configuration settings. Ensure that the source and target systems are correctly configured for replication.
  Resource Monitoring: Monitor the SLT server for resource usage (CPU, memory, disk I/O) and ensure that it has sufficient resources to handle the replication workload.
  Data Validation: Check the data being replicated for any inconsistencies or issues that might cause the replication to fail.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the official SAP documentation for SLT to understand the configuration and operational guidelines.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance, providing them with detailed logs and error messages for a more in-depth analysis.