How To Fix IUUC_MAIN204 - Reset active-flag in table IUUC_ISOLATION failed! Please adjust manually!

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 204

• Message text: Reset active-flag in table IUUC_ISOLATION failed! Please adjust manually!

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_MAIN204 - Reset active-flag in table IUUC_ISOLATION failed! Please adjust manually! ?

  The SAP error message IUUC_MAIN204 indicates that there was a failure in resetting the active flag in the table IUUC_ISOLATION during the execution of the SAP Landscape Transformation (SLT) replication process. This error typically occurs in the context of data replication scenarios, particularly when using the SLT to replicate data from a source system to a target system.
  Cause:
  The error can be caused by several factors, including:
  
  Database Locking Issues: There may be locks on the table that prevent the update from being executed.
  Data Consistency Issues: There might be inconsistencies in the data that prevent the operation from completing successfully.
  Configuration Issues: Incorrect configuration settings in the SLT setup can lead to this error.
  System Performance: High load on the database or system performance issues can also lead to timeouts or failures in executing the necessary updates.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the IUUC_ISOLATION table. If there are locks, you may need to resolve them by either waiting for the locks to be released or manually releasing them if appropriate.
  
  
  Manual Adjustment: As the error message suggests, you may need to manually adjust the active flag in the IUUC_ISOLATION table. You can do this by executing an SQL update statement directly on the database, but be cautious and ensure you have a backup before making any changes.
  Example SQL command:
  UPDATE IUUC_ISOLATION SET ACTIVE_FLAG = 'X' WHERE <conditions>;
  
  
  Check SLT Configuration: Review the SLT configuration settings to ensure that everything is set up correctly. This includes checking the connection settings, replication settings, and any filters that may be applied.
  
  
  Monitor System Performance: Check the performance of the source and target systems. If there are performance issues, consider optimizing the database or the SLT configuration to improve performance.
  
  
  Review Logs: Check the SLT logs for any additional error messages or warnings that may provide more context about the failure. You can find logs in transaction SLG1 for SLT-related logs.
  
  
  Restart Replication: If the issue persists, you may need to stop and restart the replication process to reset the state.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for SLT to understand the replication process and any specific requirements or configurations.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, providing them with the error details and any logs you have collected.
  
  Always ensure that you have appropriate backups and that you are following best practices when making changes directly to the database.