How To Fix RSDD_ZA329 - Generation of snapshot is scheduled

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 329

• Message text: Generation of snapshot is scheduled

What causes this issue?

Generation of the snapshot is scheduled in a background job. As soon as
the background job starts, the status of the snapshot changes. The
status then indicates that the snapshot is currently being generated or
recorded.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA329 - Generation of snapshot is scheduled ?

  The SAP error message RSDD_ZA329, which states "Generation of snapshot is scheduled," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the generation of a snapshot for a DataStore Object (DSO) or InfoCube. This message indicates that a snapshot generation process has been initiated but is currently in a scheduled state, which may lead to confusion or delays in data availability.
  Cause:
  
  Scheduled Process: The snapshot generation process is scheduled but has not yet completed. This can happen if there are multiple processes queued or if the system is busy.
  Long-running Processes: If there are long-running data loads or transformations, the snapshot generation may be delayed.
  Locking Issues: There may be locks on the DSO or InfoCube that prevent the snapshot from being generated.
  System Performance: Performance issues in the SAP BW system can lead to delays in processing scheduled jobs.
  
  Solution:
  
  Check Job Status: Use transaction code SM37 to check the status of the background jobs related to the snapshot generation. Look for any jobs that are in a "waiting" or "cancelled" state.
  Monitor Process Chains: If the snapshot generation is part of a process chain, check the status of the entire process chain in transaction RSPC. Ensure that all preceding steps have completed successfully.
  Review Locks: Use transaction SM12 to check for any locks on the DSO or InfoCube. If there are locks, you may need to release them or wait for the locking process to complete.
  System Performance: Monitor system performance using transaction ST22 for dumps or SM50 for active processes. If the system is under heavy load, consider optimizing performance or scheduling jobs during off-peak hours.
  Re-schedule the Job: If the job is stuck, you may need to cancel it and re-schedule the snapshot generation manually.
  Check for Errors: Review the logs for any errors that may have occurred during the snapshot generation process. This can provide insights into what went wrong.
  
  Related Information:
  
  Transaction Codes:
  
  SM37: Monitor Background Jobs
  RSPC: Process Chain Management
  SM12: Display and Manage Locks
  ST22: Dump Analysis
  SM50: Process Overview
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to snapshot generation or performance in BW.
  Documentation: Refer to SAP BW documentation for best practices on managing data loads and snapshots.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.