How To Fix S04120 - &1 : Enqueue released for &2

SAP Error Message - Details

• Message type: E = Error

• Message class: S04 - CCMS Monitoring Console

• Message number: 120

• Message text: &1 : Enqueue released for &2

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S04120 - &1 : Enqueue released for &2 ?

  The SAP error message S04120 indicates that an enqueue lock has been released for a specific object. This typically occurs in the context of SAP's locking mechanism, which is used to prevent concurrent access to data that could lead to inconsistencies.
  Cause:
  The error message S04120 can be triggered by several factors, including:
  
  Timeouts: If a transaction takes too long to complete, the enqueue lock may be released due to a timeout.
  Explicit Unlocking: A program or user may have explicitly released the lock, either intentionally or due to an error in the code.
  System Errors: Issues such as system crashes or network problems can lead to the release of locks.
  Deadlocks: If a deadlock situation is detected, the system may release locks to resolve the deadlock.
  
  Solution:
  To resolve the issue indicated by the S04120 error message, consider the following steps:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. This can help you identify if the lock was released due to a timeout or if it was manually released.
  Review Application Logic: If the error is occurring frequently, review the application logic to ensure that locks are being managed correctly. Look for long-running transactions that may be causing timeouts.
  Increase Timeout Settings: If timeouts are a common issue, consider increasing the enqueue timeout settings in the system configuration.
  Monitor System Performance: Use transaction codes like ST22 (dump analysis) and SM21 (system log) to check for any underlying system issues that may be causing the locks to be released unexpectedly.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Enqueue Mechanism: SAP uses an enqueue mechanism to manage locks on database objects. Understanding how this mechanism works can help in troubleshooting lock-related issues.
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: View system logs for errors and warnings.
  ST22: Analyze short dumps that may provide insights into application errors.
  
  
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the S04120 error message in SAP.