How To Fix 9J1UF_P031 - Table &1 is locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 9J1UF_P - Russia and Ukraine class messages for development

• Message number: 031

• Message text: Table &1 is locked by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 9J1UF_P031 - Table &1 is locked by user &2 ?

  The SAP error message "9J1UF_P031 Table &1 is locked by user &2" indicates that a specific database table (denoted by &1) is currently locked by another user (denoted by &2). This typically occurs when a user is performing an operation that requires exclusive access to the table, such as updating or deleting records.
  Cause:
  
  Concurrent Access: Another user or process is currently accessing the table, which prevents other users from making changes.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table for an extended period.
  Uncommitted Transactions: If a user has made changes to the table but has not yet committed those changes, the table remains locked.
  Deadlocks: In some cases, a deadlock situation may arise where two or more processes are waiting for each other to release locks.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to complete their transaction may resolve the issue. You can retry the operation after some time.
  Identify the Locking User: Use transaction codes like SM12 (for lock entries) to identify the user who is holding the lock. You can check the table name and the user ID.
  Contact the Locking User: If possible, communicate with the user who is holding the lock to understand their activity and see if they can release the lock.
  Release the Lock: If the locking user is not available or the lock is no longer needed, an administrator can manually delete the lock entry using transaction SM12. However, this should be done with caution, as it may lead to data inconsistency.
  Optimize Transactions: Review and optimize long-running transactions to minimize the time locks are held. This can involve breaking down large transactions into smaller ones or improving performance.
  Monitor for Deadlocks: Use transaction SM21 (system log) to check for deadlocks and analyze the situation to prevent future occurrences.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log for monitoring.
  ST22: Dump analysis, in case of ABAP runtime errors.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to locking behavior in specific versions of SAP.
  Performance Tuning: Consider performance tuning of the database and application to reduce locking issues.
  
  Always ensure that any actions taken to resolve locking issues are in line with your organization's policies and procedures, especially when it comes to releasing locks held by other users.