How To Fix IUUC_CLOG_CORE027 - Trigger Redefinition

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CLOG_CORE - SLT Change Log Messages

• Message number: 027

• Message text: Trigger Redefinition

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_CLOG_CORE027 - Trigger Redefinition ?

  The SAP error message IUUC_CLOG_CORE027, which indicates a "Trigger Redefinition," typically occurs in the context of SAP Landscape Transformation (SLT) replication. This error is related to the configuration of database triggers that are used to capture changes in the source database for replication to the target system.
  Cause:
  The error is usually caused by one of the following reasons:
  
  
  Trigger Already Exists: The trigger that SLT is trying to create already exists in the database. This can happen if the SLT configuration was not properly cleaned up after a previous setup or if there was an attempt to reconfigure the same table.
  
  
  Database Permissions: The user account used by SLT may not have the necessary permissions to create or modify triggers in the source database.
  
  
  Database Configuration Changes: Changes in the database schema or configuration that affect the triggers can also lead to this error.
  
  
  Inconsistent State: The SLT system may be in an inconsistent state due to previous errors or interruptions during the setup process.
  
  
  Solution:
  To resolve the IUUC_CLOG_CORE027 error, you can follow these steps:
  
  
  Check Existing Triggers: Verify if the trigger already exists in the source database. You can do this by querying the database's system tables or using database management tools.
  
  
  Drop Existing Trigger: If the trigger exists and is not needed, you can drop it manually. Ensure that you have a backup and that dropping the trigger will not affect other processes.
  
  
  Check Permissions: Ensure that the SLT user has the necessary permissions to create and manage triggers in the source database. You may need to grant additional privileges.
  
  
  Reconfigure SLT: If the issue persists, consider reconfiguring the SLT setup for the affected table. This may involve stopping the replication, cleaning up the configuration, and then starting the replication again.
  
  
  Check SLT Logs: Review the SLT logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Consult Documentation: Refer to the official SAP documentation for SLT and the specific database you are using for any additional troubleshooting steps or considerations.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is impacting production systems.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SLT Configuration Guide: Review the SLT configuration guide for best practices and common pitfalls.
  Database Documentation: Consult the documentation for your specific database (e.g., Oracle, SQL Server, etc.) for information on managing triggers and permissions.
  
  By following these steps, you should be able to identify and resolve the IUUC_CLOG_CORE027 error in your SAP SLT environment.