How To Fix RSDA291 - Reader for InfoProvider '&1' opened

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDA - BW Archiving: Messages

• Message number: 291

• Message text: Reader for InfoProvider '&1' opened

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDA291 - Reader for InfoProvider '&1' opened ?

  The SAP error message RSDA291 indicates that a reader for the specified InfoProvider is currently open. This typically occurs in the context of data extraction or reporting when a process is trying to access an InfoProvider that is already being accessed by another process. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Concurrent Access: The InfoProvider is being accessed by another user or process, which prevents your current process from opening it.
  Long-Running Queries: A query or data extraction process may be taking longer than expected, holding the lock on the InfoProvider.
  System Locking Mechanism: SAP uses locking mechanisms to ensure data integrity, which can lead to this error if another session is using the InfoProvider.
  
  Solutions:
  
  Wait and Retry: If the InfoProvider is being accessed by another process, wait for that process to complete and then try again.
  Identify the Locking Process:
  
  Use transaction code SM12 to check for locks on the InfoProvider. You can identify the user or process that is holding the lock.
  If necessary, you can release the lock, but be cautious as this may affect the other user/process.
  
  
  Check for Long-Running Queries: 
  
  Use transaction code ST22 to check for dumps or SM37 to monitor background jobs. If a job is taking too long, you may need to analyze and optimize it.
  
  
  Review System Performance: If this issue occurs frequently, it may be worth reviewing system performance and tuning queries or processes that access the InfoProvider.
  Consult Basis Team: If you are unable to resolve the issue, consult your SAP Basis team for assistance. They can provide insights into system locks and performance issues.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  ST22: To check for short dumps.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to data extraction and InfoProviders for best practices and performance tuning.
  
  By following these steps, you should be able to diagnose and resolve the RSDA291 error effectively.