How To Fix RSM029 - Cannot set lock on ERSSDLINIT with DS & and SS &; Locked by &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 029

• Message text: Cannot set lock on ERSSDLINIT with DS & and SS &; Locked by &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM029 - Cannot set lock on ERSSDLINIT with DS & and SS &; Locked by & ?

  The SAP error message RSM029 indicates that there is a locking issue related to the DataStore Object (DS) and the InfoProvider (SS) in the SAP BW (Business Warehouse) environment. The message typically means that a process is trying to access a DataStore Object that is currently locked by another process.
  Cause:
  
  Concurrent Processes: The most common cause of this error is that another process is currently executing and has locked the DataStore Object. This can happen during data loading, data extraction, or when running queries that involve the DataStore Object.
  Long-Running Jobs: If a job is taking longer than expected, it may hold the lock for an extended period, preventing other processes from accessing the DataStore Object.
  System Performance Issues: Performance issues in the SAP BW system can lead to delays in job execution, causing locks to persist longer than usual.
  
  Solution:
  
  Identify the Locking Process: Use transaction code SM12 to check for locks on the DataStore Object. You can filter by the object name or user to find the process that is holding the lock.
  Terminate the Locking Process: If the locking process is no longer needed or is stuck, you can terminate it from the SM12 transaction. Be cautious when doing this, as it may lead to data inconsistencies if the process was in the middle of a critical operation.
  Review Job Scheduling: Ensure that jobs that access the DataStore Object are scheduled in a way that minimizes conflicts. Avoid running multiple jobs that access the same DataStore Object simultaneously.
  Monitor System Performance: Regularly monitor the performance of your SAP BW system to identify any bottlenecks that may lead to long-running jobs and locks.
  Increase Timeout Settings: If applicable, consider adjusting the timeout settings for locks to allow longer-running processes to complete without causing conflicts.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor job status and check for long-running jobs.
  ST22: To check for dumps that may indicate underlying issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to locking in your version of SAP BW.
  Documentation: Review SAP documentation on DataStore Objects and locking mechanisms to better understand how to manage locks effectively.
  
  By following these steps, you should be able to resolve the RSM029 error and prevent it from occurring in the future.