How To Fix HREOP005 - Database table &1 cannot be locked (lock object &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: HREOP - Messages for EOP PERNR check for Customer/Vendor

• Message number: 005

• Message text: Database table &1 cannot be locked (lock object &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HREOP005 - Database table &1 cannot be locked (lock object &2) ?

  The SAP error message HREOP005 indicates that a specific database table cannot be locked due to a lock object issue. This typically occurs in scenarios where multiple processes or users are trying to access or modify the same data simultaneously, leading to a conflict in locking mechanisms.
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same table at the same time, which can lead to a lock conflict.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the table, preventing other transactions from acquiring the necessary lock.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks can lead to this error.
  Lock Table Size: The lock table may be full, preventing new locks from being acquired.
  Database Issues: There may be underlying database issues or misconfigurations that affect locking behavior.
  
  Solution:
  
  Identify Lock Holders: Use transaction codes like SM12 to check for existing locks on the table. Identify and resolve any long-running transactions that are holding locks.
  Release Locks: If you find unnecessary locks, you can manually release them using SM12, but be cautious as this may affect other users.
  Optimize Transactions: Review and optimize the code or processes that are accessing the table to ensure they complete quickly and release locks promptly.
  Increase Lock Table Size: If the lock table is full, consider increasing its size. This can be done by adjusting the profile parameters in the SAP system.
  Check for Deadlocks: Analyze the system for deadlocks and resolve them by ensuring that transactions acquire locks in a consistent order.
  Database Configuration: Ensure that the database is properly configured to handle locking and concurrency.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: Display and manage locks.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze short dumps that may provide additional context.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking mechanisms.
  Performance Monitoring: Use tools like ST03N to monitor performance and identify bottlenecks that may lead to locking issues.
  
  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.