How To Fix AQQIS_CNTRL031 - Table is already being used

SAP Error Message - Details

• Message type: E = Error

• Message class: AQQIS_CNTRL - Join-Control InfoSet

• Message number: 031

• Message text: Table is already being used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AQQIS_CNTRL031 - Table is already being used ?

  The SAP error message AQQIS_CNTRL031, which states "Table is already being used," typically occurs when there is an attempt to access or modify a database table that is currently locked or in use by another process. This can happen in various scenarios, such as during data updates, batch processing, or when multiple users are trying to access the same data simultaneously.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same table at the same time.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table, preventing other transactions from accessing it.
  Database Locks: The database may have locks in place due to previous operations that have not yet been committed or rolled back.
  Background Jobs: A background job may be running that is accessing the same table, causing a lock.
  
  Solutions:
  
  Wait and Retry: If the error is due to temporary locking, waiting for a few moments and then retrying the operation may resolve the issue.
  Check for Locks: Use transaction codes like SM12 (to view and manage locks) to check if there are any active locks on the table. If you find locks that are no longer needed, you can release them (with caution).
  Review Long-Running Transactions: Identify any long-running transactions that may be holding locks and address them. This may involve optimizing the transaction or breaking it into smaller parts.
  Batch Job Management: If a background job is causing the lock, consider rescheduling it to run during off-peak hours or adjusting its logic to minimize locking.
  Database Administration: Consult with your database administrator to check for any underlying issues with the database that may be causing excessive locking.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (lock entries), SM21 (system log), and ST22 (dump analysis) to diagnose issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Performance Monitoring: Regularly monitor system performance and locking behavior to prevent future occurrences of this error.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or technical support for further investigation.