How To Fix HRPIQ000234 - Cannot lock object due to global enqueue table overflow

SAP Error Message - Details

• Message type: E = Error

• Message class: HRPIQ000 - Messages in Development Class PMIQ

• Message number: 234

• Message text: Cannot lock object due to global enqueue table overflow

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRPIQ000234 - Cannot lock object due to global enqueue table overflow ?

  The SAP error message HRPIQ000234 indicates that the system is unable to lock an object because the global enqueue table has overflowed. This typically occurs when the number of locks exceeds the limit set for the enqueue table, which can lead to issues in managing object locks within the SAP system.
  Cause:
  
  High Lock Usage: The most common cause is that there are too many locks being created in the system, which can happen due to high transaction volume or inefficient locking practices in custom programs.
  Configuration Limits: The configuration settings for the enqueue table may not be sufficient for the current load of the system.
  Long-Running Transactions: If transactions are holding locks for an extended period, it can lead to an accumulation of locks.
  System Bugs or Inefficiencies: Sometimes, bugs in the application or inefficient coding practices can lead to excessive locking.
  
  Solution:
  
  
  Increase the Size of the Enqueue Table:
  
  You can increase the size of the enqueue table by adjusting the profile parameters in the SAP system. The relevant parameter is enque/table_size. You can do this by:
  
  Going to transaction RZ10.
  Selecting the appropriate instance profile.
  Adding or modifying the parameter enque/table_size to a higher value.
  Save the changes and restart the instance for the changes to take effect.
  
  
  
  
  
  Monitor and Optimize Lock Usage:
  
  Use transaction SM12 to monitor the locks currently held in the system. Identify any long-held locks and investigate the transactions that are causing them.
  Review custom programs or processes that may be creating excessive locks and optimize them to reduce lock contention.
  
  
  
  Check for Long-Running Transactions:
  
  Identify and address any long-running transactions that may be holding locks unnecessarily. This can involve optimizing the transaction logic or breaking it into smaller, more manageable parts.
  
  
  
  Regular Maintenance:
  
  Implement regular monitoring and maintenance practices to ensure that the enqueue table does not reach its limits. This can include periodic checks of lock usage and system performance.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or patches related to this issue. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  RZ10: To change instance profile parameters.
  SM21: To check system logs for any related errors or warnings.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on enqueue management and performance tuning.
  
  
  Performance Monitoring Tools: Consider using SAP's performance monitoring tools to analyze system performance and identify bottlenecks related to locking.
  
  
  By following these steps, you should be able to resolve the HRPIQ000234 error and prevent it from occurring in the future.