How To Fix /PF1/MSG_LOG_GUI112 - Locking problem for object &1 &2 &3 when requesting access to table &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_LOG_GUI -

• Message number: 112

• Message text: Locking problem for object &1 &2 &3 when requesting access to table &4

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_LOG_GUI112 - Locking problem for object &1 &2 &3 when requesting access to table &4 ?

  The SAP error message /PF1/MSG_LOG_GUI112 indicates a locking problem for a specific object when trying to access a table. This error typically arises when a user or process attempts to access a database object (like a table) that is currently locked by another user or process. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. When a user or program is accessing a table for modification, it locks that table to prevent other users from making changes simultaneously.
  Long-Running Transactions: If a transaction takes too long to complete, it can hold locks longer than expected, leading to this error for other users trying to access the same object.
  Deadlocks: In some cases, two or more processes may be waiting for each other to release locks, causing a deadlock situation.
  User Sessions: Sometimes, a user may have multiple sessions open, and one session may be holding a lock that another session is trying to access.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view and manage locks. You can check which user or process is holding the lock on the object.
  Look for the object name (table) in the lock entries and identify the user or transaction that is holding the lock.
  
  
  
  Release the Lock:
  
  If you have the necessary authorizations, you can manually delete the lock entry from SM12. However, be cautious as this can lead to data inconsistencies if the transaction is still in progress.
  If the lock is held by a long-running transaction, you may need to wait for it to complete or contact the user holding the lock to resolve the issue.
  
  
  
  Check for Deadlocks:
  
  If you suspect a deadlock, you may need to analyze the situation further. SAP provides tools to monitor and analyze deadlocks, such as transaction SM21 (System Log) and ST22 (Dump Analysis).
  
  
  
  Optimize Transactions:
  
  Review the transactions that are causing locks. If they are taking too long, consider optimizing the code or breaking them into smaller, more manageable parts.
  
  
  
  User Communication:
  
  Communicate with users who may be holding locks to coordinate access to the table and avoid conflicts.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking problems. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review SAP documentation on locking mechanisms and best practices for managing locks in SAP systems.
  Performance Monitoring: Use transaction ST04 (Database Performance Analysis) to monitor database performance and locking issues.
  
  By following these steps, you should be able to diagnose and resolve the locking problem indicated by the error message /PF1/MSG_LOG_GUI112.