How To Fix AQ_AD_HOC061 - Query is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ_AD_HOC - SAP Query: Ad Hoc Query Messages

• Message number: 061

• Message text: Query is locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AQ_AD_HOC061 - Query is locked ?

  The SAP error message AQ_AD_HOC061, which states "Query is locked," typically occurs when a query in SAP BW (Business Warehouse) or SAP BI (Business Intelligence) is being accessed or modified by another user or process. This locking mechanism is in place to prevent data inconsistencies and ensure that users do not interfere with each other's work.
  Causes:
  
  Concurrent Access: Another user is currently executing or modifying the same query.
  Long-Running Queries: A query that takes a long time to execute may lock the query for an extended period.
  System Processes: Background jobs or processes that are accessing the query can also lead to locking.
  Transaction Locks: If a transaction is not properly closed or if there are issues with the database, it may lead to locks.
  
  Solutions:
  
  Wait and Retry: If the query is locked due to another user, waiting for a few moments and then retrying may resolve the issue.
  Identify the Locking User: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock. You can then communicate with that user to resolve the issue.
  Terminate the Lock: If necessary, an administrator can terminate the lock using transaction SM12. However, this should be done with caution to avoid data inconsistencies.
  Check Background Jobs: Review any background jobs that may be running and causing the lock. You can use transaction SM37 to monitor job statuses.
  Optimize Queries: If long-running queries are a frequent issue, consider optimizing the query performance to reduce execution time.
  System Configuration: Ensure that the system is configured correctly to handle concurrent access and that there are no underlying database issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Documentation: Review SAP documentation for best practices on query management and performance tuning.
  User Training: Ensure that users are trained on how to properly execute and manage queries to minimize locking issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.