How To Fix RSMSS_ANALYZER_MSG191 - Cannot obtain enqueue for table &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMSS_ANALYZER_MSG - Messages for RSMSS_ANALYZER

• Message number: 191

• Message text: Cannot obtain enqueue for table &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMSS_ANALYZER_MSG191 - Cannot obtain enqueue for table & ?

  The SAP error message RSMSS_ANALYZER_MSG191 with the description "Cannot obtain enqueue for table &" typically occurs in the context of SAP's enqueue mechanism, which is used to manage concurrent access to database tables. This error indicates that the system is unable to obtain a lock (enqueue) on a specific table, which can prevent certain operations from being executed.
  Causes:
  
  Table Locking Conflicts: Another process or user may already have a lock on the table, preventing your operation from obtaining the necessary lock.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing other operations to fail.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  System Performance Issues: High system load or performance issues can lead to delays in lock acquisition.
  Configuration Issues: Incorrect configuration of the enqueue server or related parameters may lead to locking issues.
  
  Solutions:
  
  Identify Lock Holders: Use transaction code SM12 to check for existing locks on the table. You can identify which user or process is holding the lock and take appropriate action (e.g., ask the user to release the lock).
  Transaction Management: Ensure that transactions are kept as short as possible to minimize the time locks are held. Review and optimize long-running transactions.
  Deadlock Resolution: If you suspect a deadlock, you may need to analyze the situation further. Use transaction SM21 to check the system log for deadlock messages and resolve them accordingly.
  System Performance Monitoring: Monitor system performance using transaction ST03N or ST04 to identify any bottlenecks that may be affecting lock acquisition.
  Configuration Review: Review the configuration of the enqueue server and related parameters. Ensure that they are set correctly for your system's workload.
  Restart Enqueue Server: In some cases, restarting the enqueue server may help resolve temporary issues. This should be done with caution and typically during a maintenance window.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: System log for monitoring.
  ST03N: Workload analysis.
  ST04: Database performance monitoring.
  
  
  SAP Notes: Check SAP Notes related to enqueue issues for specific patches or updates that may address known problems.
  Documentation: Review SAP documentation on enqueue management and locking mechanisms for a deeper understanding of how locks are managed in SAP systems.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.