How To Fix /ACCGO/CAS_MSG160 - Cannot obtain lock for application table

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CAS_MSG -

• Message number: 160

• Message text: Cannot obtain lock for application table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/CAS_MSG160 - Cannot obtain lock for application table ?

  The SAP error message /ACCGO/CAS_MSG160 Cannot obtain lock for application table typically indicates that a process is trying to access a table that is currently locked by another process. This can happen in various scenarios, such as when multiple users or processes are trying to update the same data simultaneously.
  Causes:
  
  Concurrent Access: Multiple users or background jobs 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 longer than expected.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can lead to this error.
  System Performance Issues: High system load or performance issues can exacerbate locking problems.
  Configuration Issues: Incorrect configuration of the locking mechanism or the application itself.
  
  Solutions:
  
  Identify the Lock: Use transaction code SM12 to check for existing locks on the table. You can see which user or process is holding the lock.
  Wait and Retry: If the lock is held by a legitimate process, you may need to wait for it to complete and then retry your operation.
  Kill the Locking Process: If the locking process is not responding or is stuck, you may need to terminate it. This can be done using transaction SM66 or SM50 to find the process and then kill it.
  Optimize Transactions: Review and optimize the transactions that are causing locks. Ensure they are as efficient as possible to minimize lock duration.
  Increase Lock Timeout: If appropriate, consider increasing the lock timeout settings in the system configuration, but this should be done with caution.
  Review Application Logic: If the error occurs frequently, review the application logic to ensure that locks are being managed properly and that transactions are not holding locks longer than necessary.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM66: Global work process overview.
  SM50: Local process overview.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Performance Monitoring: Use tools like ST03N or ST04 to monitor system performance and identify bottlenecks that may be causing locking issues.
  Documentation: Review SAP documentation for best practices on managing database locks and optimizing performance.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.