How To Fix RSM1163 - Reconstruction scheduled for data target &. Unable to start second run.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM1 - Messages for AWB, Scheduler and Monitor (new)

• Message number: 163

• Message text: Reconstruction scheduled for data target &. Unable to start second run.

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSM1163 - Reconstruction scheduled for data target &. Unable to start second run. ?

  The SAP error message RSM1163 indicates that a reconstruction process for a data target has been scheduled, but the system is unable to start a second run of the reconstruction. This typically occurs in the context of SAP BW (Business Warehouse) when there are issues with data loading or processing.
  Cause:
  
  Ongoing Process: The most common cause is that a previous reconstruction process is still running or has not completed. SAP BW does not allow multiple concurrent runs for the same data target to prevent data inconsistencies.
  Locking Issues: There may be locks on the data target that prevent the new reconstruction from starting.
  System Configuration: Configuration settings in the data target or process chain may restrict concurrent executions.
  Error in Previous Run: If the previous run encountered an error, it may not have released the lock on the data target.
  
  Solution:
  
  Check Running Processes: Use transaction codes like SM37 to check for any active jobs related to the data target. If a job is still running, you may need to wait for it to complete or terminate it if it is stuck.
  Review Logs: Check the logs of the previous reconstruction run to identify any errors that may have occurred. This can provide insights into why the process is still active or locked.
  Release Locks: If you find that there are locks on the data target, you can use transaction SM12 to check and release any unnecessary locks. Be cautious when doing this, as it may affect other users or processes.
  Adjust Configuration: If the issue is related to configuration settings, review the settings for the data target and process chain to ensure that they allow for the desired concurrency.
  Restart the Process Chain: If the previous run has completed but the error persists, try restarting the entire process chain that includes the reconstruction step.
  
  Related Information:
  
  Transaction Codes:
  
  SM37: Job Monitoring
  SM12: Lock Entries
  RSCATMON: Monitor Data Target
  
  
  Documentation: Refer to SAP Help documentation for BW data targets and process chains for more detailed information on managing data loads and troubleshooting errors.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the RSM1163 error message.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.