/IWFND/CM_COS155 - During generation a lock failure occured

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_COS -

• Message number: 155

• Message text: During generation a lock failure occured

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.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_COS155 - During generation a lock failure occured ?

  The SAP error message /IWFND/CM_COS155 indicates that a lock failure occurred during the generation of a service or object in the SAP Gateway framework. This typically happens when multiple processes or users are trying to access or modify the same object simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to generate or modify the same service or object at the same time.
  Long-Running Transactions: A long-running transaction may hold a lock on the object, preventing other processes from accessing it.
  System Performance Issues: High system load or performance issues can lead to delays in releasing locks.
  Database Locking: Locks at the database level can also cause this issue if the underlying database is busy or has deadlocks.
  
  Solutions:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a few moments and then retrying the operation may resolve the issue.
  Check for Locks: Use transaction codes like SM12 to check for existing locks on the object. If you find any unnecessary locks, you can delete them (ensure you understand the implications of doing so).
  Review Long-Running Transactions: Identify and optimize any long-running transactions that may be holding locks for extended periods.
  System Performance Monitoring: Monitor system performance and resource usage to identify any bottlenecks that may be causing delays in lock release.
  Adjust Lock Timeout Settings: If applicable, consider adjusting the lock timeout settings in your SAP system to reduce the likelihood of lock contention.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to check for dumps).
  SAP Gateway: Understanding the SAP Gateway framework and how it handles service generation can provide insights into potential issues.
  Performance Tuning: Regular performance tuning and monitoring can help prevent such issues from occurring in the future.
  
  If the problem 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.