How To Fix HRHCP00_COLLECTION055 - Not possible to lock object; update not performed

SAP Error Message - Details

• Message type: E = Error

• Message class: HRHCP00_COLLECTION - Messages About Collecting Personnel Cost Planning Data

• Message number: 055

• Message text: Not possible to lock object; update not performed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HRHCP00_COLLECTION055 - Not possible to lock object; update not performed ?

  The SAP error message HRHCP00_COLLECTION055 indicates that the system was unable to lock a specific object during an update operation, which means that the update could not be performed. This error typically occurs in the context of HR (Human Resources) processes, particularly when dealing with infotypes or data collections.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing the same object, preventing your session from obtaining a lock.
  Long-running Transactions: A transaction that takes too long to complete may hold the lock longer than expected, causing subsequent attempts to fail.
  System Configuration: There may be issues with the configuration of the locking mechanism in the SAP system.
  Database Issues: Problems with the underlying database can also lead to locking issues.
  
  Solutions:
  
  Retry the Operation: Often, simply waiting a few moments and trying the operation again can resolve the issue if it was caused by temporary concurrent access.
  Check for Active Sessions: Use transaction codes like SM12 (to view and manage lock entries) to check if there are any active sessions holding locks on the object you are trying to update. If you find a session that is no longer active, you may need to delete the lock entry.
  Review Long-running Transactions: If you suspect that a long-running transaction is causing the issue, you can use transaction SM66 to monitor active processes and identify any that may be holding locks for an extended period.
  System Configuration Review: Consult with your SAP Basis team to ensure that the locking configuration is set up correctly and that there are no known issues with the system.
  Database Health Check: If the problem persists, it may be worth checking the health of the database and ensuring that it is functioning correctly.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM66: To monitor active processes across the system.
  SM21: To check system logs for any related errors or warnings.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to HR processes and locking mechanisms for further insights.
  
  If the issue continues after trying the above solutions, it may be necessary to involve your SAP support team or consult SAP support for more in-depth troubleshooting.