How To Fix I4746 - Missing lock for &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: I4 - WCM: Work Clearance Management

• Message number: 746

• Message text: Missing lock for &1 &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message I4746 - Missing lock for &1 &2 ?

  The SAP error message I4746 "Missing lock for &1 &2" typically indicates that there is an issue with the locking mechanism in the SAP system. This error can occur in various scenarios, often related to database operations where a lock is expected but not found. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Lock Management Issues: The error usually arises when a transaction tries to access a resource (like a database record) that is expected to be locked but is not. This can happen if:
  
  The lock was not set correctly.
  The lock was released prematurely.
  There is a mismatch in the lock request (e.g., trying to lock a record that is already unlocked).
  
  
  
  Concurrency Issues: Multiple users or processes trying to access the same resource simultaneously can lead to locking conflicts.
  
  
  System Configuration: Incorrect configuration of the locking mechanism in the SAP system can also lead to this error.
  
  
  Solution:
  
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can see if there are any locks that are not being released properly.
  
  
  Release Locks: If you find any stale or unnecessary locks, you can manually delete them from the SM12 transaction. Be cautious when doing this, as it may affect other users.
  
  
  Review Code: If this error occurs during custom development, review the ABAP code to ensure that locks are being set and released correctly. Ensure that the locking logic is implemented properly.
  
  
  Transaction Management: Ensure that transactions are managed correctly, and that locks are acquired and released in the correct sequence.
  
  
  System Configuration: Check the configuration settings related to locking in the SAP system. Ensure that they are set up according to best practices.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze dump analysis for any ABAP runtime errors that may be related.
  
  
  
  Documentation: Review SAP documentation on lock management and concurrency control for a deeper understanding of how locks work in SAP.
  
  
  Performance Monitoring: Use transaction ST03N to monitor system performance and identify any bottlenecks that may be causing locking issues.
  
  
  By following these steps, you should be able to diagnose and resolve the "Missing lock for &1 &2" error in your SAP system.