How To Fix RT406 - CCMS self-monitoring: &1 TIDs from &2 requests in cache invalidated

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 406

• Message text: CCMS self-monitoring: &1 TIDs from &2 requests in cache invalidated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT406 - CCMS self-monitoring: &1 TIDs from &2 requests in cache invalidated ?

  The SAP error message RT406 indicates that there is an issue with the CCMS (Computing Center Management System) self-monitoring, specifically related to the invalidation of TIDs (Transaction IDs) in the cache. This message typically arises when the system detects that a certain number of TIDs from a specified number of requests have been invalidated in the cache.
  Cause:
  
  
  Cache Invalidation: The primary cause of this error is the invalidation of TIDs in the cache. This can happen due to various reasons, such as:
  
  Changes in the underlying data or configuration that require the cache to be refreshed.
  System performance issues leading to cache inconsistencies.
  Manual interventions or updates that affect the cache.
  
  
  
  High Load: If the system is under heavy load, it may lead to frequent cache invalidations as the system tries to manage resources efficiently.
  
  
  Configuration Issues: Incorrect configuration settings for the CCMS or related components can also lead to this error.
  
  
  Solution:
  
  
  Monitor System Performance: Check the overall performance of the SAP system. If the system is under heavy load, consider optimizing performance by analyzing and tuning the system.
  
  
  Review Cache Settings: Look into the cache settings and configurations. Ensure that they are set correctly according to the best practices for your specific SAP environment.
  
  
  Check for Updates: If there have been recent changes or updates to the system, verify that they have been applied correctly and that they are compatible with the current configuration.
  
  
  Clear Cache: In some cases, manually clearing the cache may help resolve the issue. However, this should be done with caution and ideally during a maintenance window to avoid impacting users.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that can resolve the issue.
  
  
  Engage SAP Support: If the problem persists and you are unable to resolve it, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and information about the system state when the error occurs.
  
  
  Related Information:
  
  CCMS Documentation: Familiarize yourself with the CCMS documentation to understand how it manages monitoring and caching.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools to gain insights into system performance and identify potential bottlenecks.
  System Logs: Review system logs (such as the developer trace files) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and address the RT406 error effectively.