How To Fix CM_EHFND_FW_WFF122 - Cannot lock BOPF node; key &1, node name &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_FW_WFF - Messages for Exception Obj. of EHS/PS&S Workflow Foundation

• Message number: 122

• Message text: Cannot lock BOPF node; key &1, node name &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_WFF122 - Cannot lock BOPF node; key &1, node name &2 ?

  The SAP error message CM_EHFND_FW_WFF122 indicates that there is an issue with locking a BOPF (Business Object Processing Framework) node. This typically occurs when multiple processes or transactions are trying to access or modify the same data simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another transaction or process is currently holding a lock on the BOPF node you are trying to access. This can happen in scenarios where multiple users or background jobs are trying to update the same data at the same time.
  Long-running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, causing other transactions to fail when they attempt to access the same data.
  Deadlocks: In some cases, a deadlock situation may arise where two or more transactions are waiting for each other to release locks, leading to this error.
  
  Solution:
  
  Retry the Operation: Often, simply retrying the operation after a short delay can resolve the issue, especially if it was caused by a temporary lock.
  Check for Long-running Transactions: Use transaction codes like SM12 (to view and manage locks) and SM21 (to check the system log) to identify any long-running transactions that may be holding locks.
  Analyze Background Jobs: If the error occurs during a background job, check the job logs to see if there are any issues or if the job is taking too long to complete.
  Increase Lock Timeout: If appropriate, consider increasing the lock timeout settings in your system configuration, but this should be done with caution and in consultation with your SAP Basis team.
  Review Code: If you are developing custom code that interacts with BOPF nodes, ensure that you are properly managing locks and not holding them longer than necessary.
  Use Transaction Management: Implement proper transaction management in your code to ensure that locks are released as soon as they are no longer needed.
  
  Related Information:
  
  BOPF: The Business Object Processing Framework is a framework in SAP that allows for the creation and management of business objects. Understanding how BOPF works can help in troubleshooting issues related to it.
  Lock Management: Familiarize yourself with SAP's lock management concepts, including how locks are acquired and released, and the implications of concurrent access.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling BOPF-related locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.