How To Fix CM_EHFND_FW_WFF_PCO022 - Lock for object (key &1 - node &2) required but failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_FW_WFF_PCO - Messages for PCO Handling

• Message number: 022

• Message text: Lock for object (key &1 - node &2) required but failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_WFF_PCO022 - Lock for object (key &1 - node &2) required but failed ?

  The SAP error message CM_EHFND_FW_WFF_PCO022 indicates that there is a lock contention issue for a specific object in the SAP system. This typically occurs when multiple processes or users are trying to access or modify the same object simultaneously, leading to a failure in acquiring the necessary lock.
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same object (identified by the key and node mentioned in the error message) at the same time.
  Long-Running Transactions: A transaction that holds a lock for an extended period can prevent other transactions from acquiring the lock.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks can lead to this error.
  System Performance Issues: High system load or performance issues can exacerbate locking problems.
  
  Solution:
  
  Identify the Lock: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock on the object.
  Release the Lock: If appropriate, you can manually release the lock from SM12. However, be cautious as this may lead to data inconsistency if the transaction holding the lock is still in progress.
  Optimize Transactions: Review the transactions that are causing the lock contention. Optimize them to ensure they complete quickly and release locks promptly.
  Increase Lock Timeout: If applicable, consider increasing the lock timeout settings in the system configuration to allow longer wait times for locks.
  Review Code: If the error is occurring due to custom code, review the code for potential locking issues and optimize it to avoid unnecessary locks.
  Monitor System Performance: Use performance monitoring tools to identify bottlenecks in the system that may be contributing to the locking issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (lock entries), SM21 (system log), and ST22 (dump analysis) for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to locking mechanisms and best practices for managing locks in the system.
  
  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.