How To Fix RSD_TREX139 - Locked by BWA monitor action

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 139

• Message text: Locked by BWA monitor action

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX139 - Locked by BWA monitor action ?

  The SAP error message RSD_TREX139, which indicates that a process is "Locked by BWA monitor action," typically occurs in the context of SAP BW (Business Warehouse) when there is a conflict with the BWA (Business Warehouse Accelerator) system. This error usually arises when a BWA monitor action is currently being executed, which locks certain resources, preventing other processes from accessing them.
  Cause:
  
  BWA Monitor Action in Progress: The most common cause of this error is that a BWA monitor action (like a data load, index creation, or maintenance task) is currently running, which locks the resources needed for your query or operation.
  Long-Running Processes: If a BWA process is taking longer than expected, it can lead to prolonged locking of resources.
  Concurrent Access: Multiple users or processes trying to access the same resources simultaneously can also lead to this error.
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait for the current BWA monitor action to complete. You can check the status of the BWA monitor to see if the action is still running.
  Check BWA Monitor: Use the BWA monitor (transaction code RSCAT or RSBWA) to identify which action is currently locking the resources. You can view the status of ongoing processes and their estimated completion times.
  Terminate Long-Running Processes: If a process is taking too long and you have the necessary permissions, you may consider terminating it. However, be cautious with this approach as it may lead to data inconsistencies.
  Schedule Off-Peak Operations: If possible, schedule heavy BWA operations during off-peak hours to minimize the impact on other users and processes.
  System Monitoring: Regularly monitor the BWA system to ensure that it is performing optimally and that there are no bottlenecks or issues that could lead to prolonged locking.
  
  Related Information:
  
  BWA Documentation: Refer to SAP documentation for BWA for detailed information on how to manage and monitor BWA processes.
  SAP Notes: Check SAP Notes for any known issues or patches related to BWA and the specific error message.
  Performance Tuning: Consider performance tuning for your BWA system to reduce the likelihood of long-running processes and resource locking.
  User Training: Ensure that users are trained on how to properly execute BWA operations to minimize conflicts.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.