How To Fix RSDME797 - BW DataSource relation for Source &1 is being modified in another session

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 797

• Message text: BW DataSource relation for Source &1 is being modified in another session

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME797 - BW DataSource relation for Source &1 is being modified in another session ?

  The SAP error message RSDME797 indicates that a BW DataSource relation for a specific source is being modified in another session. This typically occurs when multiple users or processes are trying to make changes to the same DataSource or its related objects simultaneously. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Concurrent Modifications: The most common cause is that another user or session is currently editing the DataSource or its related objects, leading to a lock on the object.
  Long-Running Transactions: If a transaction is taking a long time to complete, it may hold a lock on the DataSource, preventing other sessions from making changes.
  System Configuration: Sometimes, system settings or configurations can lead to unexpected locking behavior.
  
  Solutions:
  
  Wait and Retry: If you encounter this error, the simplest solution is to wait for a few moments and then try again. The lock may be released once the other session completes its changes.
  Identify the Lock: Use transaction code SM12 to check for locks on the DataSource. You can identify the user or session that is holding the lock and take appropriate action.
  Terminate the Lock: If you have the necessary authorizations, you can terminate the session that is holding the lock. Be cautious with this approach, as it may lead to data inconsistencies if the other session is in the middle of a critical operation.
  Check for Long-Running Processes: Use transaction code SM66 to monitor active processes in the system. If you find a long-running process that is holding the lock, you may need to investigate further.
  Review Change Requests: If the DataSource is part of a transport request, ensure that there are no conflicting changes being transported simultaneously.
  Consult with Basis Team: If the issue persists, it may be beneficial to consult with your SAP Basis team to check for any underlying system issues or configurations that could be causing the locking behavior.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM66: To monitor active processes in the system.
  SE11: To check the DataSource definition.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to DataSource locking.
  Documentation: Review SAP documentation on DataSource management and locking mechanisms for further insights.
  
  By following these steps, you should be able to resolve the RSDME797 error and continue working with your BW DataSource.