How To Fix 14459 - Work process & locked ( & ); resource blocked, unlock as soon as possible

SAP Error Message - Details

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 459

• Message text: Work process & locked ( & ); resource blocked, unlock as soon as possible

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 14459 - Work process & locked ( & ); resource blocked, unlock as soon as possible ?

  The SAP error message 14459 indicates that a work process is locked due to a resource being blocked. This typically occurs when a transaction or process is waiting for a resource that is currently being held by another process. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Resource Contention: Multiple processes are trying to access the same resource (like a database table or a lock object) simultaneously, leading to a deadlock or a wait situation.
  Long-running Transactions: A transaction that takes too long to complete can hold locks longer than necessary, causing other processes to wait.
  Improper Lock Management: If locks are not released properly after a transaction is completed, it can lead to resource blocking.
  Database Issues: Sometimes, underlying database issues can cause locks to be held longer than expected.
  
  Solution:
  
  
  Identify the Blocking Process:
  
  Use transaction SM12 to check for locks. This transaction allows you to see which users or processes are holding locks on resources.
  Use transaction SM66 to monitor global work processes and identify which processes are currently running and their status.
  
  
  
  Release Locks:
  
  If you identify a process that is holding a lock unnecessarily, you can manually delete the lock entries in SM12. Be cautious when doing this, as it may lead to data inconsistencies if the process is still running.
  
  
  
  Optimize Long-running Transactions:
  
  Review the code or logic of the transactions that are taking a long time to execute. Optimize them to reduce execution time and lock duration.
  
  
  
  Check for Deadlocks:
  
  Investigate if there are any deadlocks occurring. You can use transaction SM21 to check the system log for any deadlock messages.
  
  
  
  Database Performance:
  
  Ensure that the database is performing optimally. Check for any performance issues that might be causing delays in transaction processing.
  
  
  
  System Configuration:
  
  Review the configuration of your SAP system and database to ensure that they are set up correctly to handle the expected load.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to error 14459 for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation on lock management and performance tuning for best practices.
  Monitoring Tools: Consider using SAP Solution Manager or other monitoring tools to proactively manage and monitor system performance and resource usage.
  
  Preventive Measures:
  
  Regularly monitor system performance and lock situations.
  Implement proper transaction handling and error management in custom code.
  Educate users on best practices for transaction execution to minimize long-running processes.
  
  By following these steps, you should be able to resolve the issue related to the SAP error message 14459 and prevent it from occurring in the future.