How To Fix O4074 - System error: unable to lock table/view &

SAP Error Message - Details

• Message type: E = Error

• Message class: O4 - IS-Oil: MAP message pool

• Message number: 074

• Message text: System error: unable to lock table/view &

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message O4074 - System error: unable to lock table/view & ?

  The SAP error message O4074, which states "System error: unable to lock table/view &," typically indicates that there is an issue with database locking mechanisms. This error can occur when a process tries to access a database table or view that is currently locked by another process, preventing it from obtaining the necessary lock to perform its operation.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same table/view simultaneously, leading to a lock contention.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on a table/view longer than expected, causing other transactions to fail.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks, resulting in a deadlock.
  Database Configuration Issues: Misconfigurations in the database settings or insufficient resources can lead to locking issues.
  System Performance Issues: High system load or performance bottlenecks can exacerbate locking problems.
  
  Solutions:
  
  
  Identify the Locking Process:
  
  Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock on the table/view.
  Check for long-running transactions in SM66 (global work process overview) or SM50 (local work process overview).
  
  
  
  Terminate the Locking Process:
  
  If a process is holding a lock unnecessarily, you may need to terminate it. This can be done from SM12 by deleting the lock entry or from SM50/SM66 by ending the process.
  
  
  
  Optimize Transactions:
  
  Review and optimize the code or processes that are causing long locks. Ensure that transactions are kept as short as possible to minimize lock duration.
  
  
  
  Increase Database Resources:
  
  If the issue is related to performance, consider increasing the resources allocated to the database or optimizing the database configuration.
  
  
  
  Implement Lock Handling Logic:
  
  If applicable, implement retry logic in your application to handle temporary locking issues gracefully.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to this error.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM50: Monitor active processes.
  SM66: Monitor global processes.
  ST22: Check for dumps that may provide additional context.
  
  
  
  SAP Documentation: Review SAP documentation for best practices on database locking and transaction management.
  
  
  Performance Monitoring: Regularly monitor system performance and database locks to proactively address potential issues.
  
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.