How To Fix /AIF/VMAP_MESSAGES002 - Database table is already locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/VMAP_MESSAGES -

• Message number: 002

• Message text: Database table is already locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/VMAP_MESSAGES002 - Database table is already locked by another user ?

  The SAP error message /AIF/VMAP_MESSAGES002 Database table is already locked by another user typically indicates that a specific database table is currently locked by another session or user, preventing your transaction from accessing it. This can occur in various scenarios, such as when multiple users or processes attempt to access or modify the same data simultaneously.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the same database table.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table longer than expected.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks can lead to this error.
  Uncommitted Transactions: If a transaction is not committed or rolled back, it may hold a lock on the table.
  
  Solutions:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Locking Session:
  
  Use transaction codes like SM12 (to view and manage lock entries) to identify which user or process is holding the lock.
  You can also use SM21 (System Log) to check for any related error messages.
  
  
  Terminate the Locking Session: If you identify a session that is holding the lock unnecessarily, you may need to terminate it using SM12 or ask the user to release the lock.
  Optimize Transactions: Review the transactions that are causing locks and optimize them to reduce the time they hold locks on the database.
  Increase Lock Timeout: If applicable, consider increasing the lock timeout settings in your SAP system configuration, but this should be done with caution as it may lead to other issues.
  Check for Deadlocks: If you suspect a deadlock situation, analyze the transactions involved and resolve the deadlock by terminating one of the transactions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Database Locks: Understanding how database locks work in SAP can help in troubleshooting and preventing such issues in the future.
  Performance Monitoring: Regularly monitor system performance and transaction behavior to identify potential locking issues before they become problematic.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.