How To Fix SKWT_MESSAGES171 - Lock was set

SAP Error Message - Details

• Message type: E = Error

• Message class: SKWT_MESSAGES - Messages for SKWF tests

• Message number: 171

• Message text: Lock was set

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 SKWT_MESSAGES171 - Lock was set ?

  The SAP error message SKWT_MESSAGES171, which indicates that a lock was set, typically occurs in the context of SAP's lock management system. This error can arise when a user or process attempts to access a resource (like a document, transaction, or data record) that is currently locked by another user or process. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Concurrent Access: Another user or process is currently accessing or modifying the same data, leading to a lock being set.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock longer than expected, preventing others from accessing the same resource.
  Deadlocks: In some cases, two or more processes may be waiting for each other to release locks, causing a deadlock situation.
  System Configuration: Certain configurations in the SAP system may lead to more frequent locking scenarios, especially in high-transaction environments.
  
  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 Lock: Use transaction codes like SM12 (for lock entries) to identify which user or process is holding the lock. You can then decide whether to wait for the lock to be released or take further action.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other process is still active.
  Optimize Transactions: Review and optimize long-running transactions to minimize the time locks are held. This may involve improving performance or breaking down large transactions into smaller, more manageable ones.
  Check for Deadlocks: If you suspect a deadlock, analyze the processes involved and resolve the deadlock by terminating one of the processes if necessary.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address specific locking issues related to your version of SAP.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log for monitoring system messages.
  ST22: Dump analysis for checking runtime errors.
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on lock management and troubleshooting.
  Performance Monitoring: Use transaction ST03N to analyze performance and identify long-running transactions that may be causing locks.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.