How To Fix SAPBC_GLOBAL021 - Lock could not be set (system error)

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPBC_GLOBAL - Messages for Package SAPBC_GLOBAL

• Message number: 021

• Message text: Lock could not be set (system error)

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 SAPBC_GLOBAL021 - Lock could not be set (system error) ?

  The SAP error message "SAPBC_GLOBAL021 Lock could not be set (system error)" typically indicates that there is an issue with the locking mechanism in the SAP system. This can occur for various reasons, including database issues, system resource limitations, or problems with the application logic.
  Causes:
  
  Database Lock Table Issues: The database lock table may be full or corrupted, preventing new locks from being set.
  System Resource Limitations: Insufficient memory or CPU resources can lead to failures in setting locks.
  Deadlocks: Two or more processes may be waiting for each other to release locks, causing a deadlock situation.
  Network Issues: Problems with network connectivity can disrupt communication between the application server and the database.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking problems.
  
  Solutions:
  
  Check Lock Table: Use transaction code SM12 to check the lock entries. If the lock table is full, you may need to delete unnecessary locks.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system performance and check for resource bottlenecks.
  Analyze Deadlocks: Use transaction code SM21 to check the system log for deadlock situations and analyze the processes involved.
  Database Maintenance: Perform database maintenance tasks, such as reorganization or cleanup, to ensure the lock table is functioning correctly.
  Review Configuration: Check the configuration settings related to locking mechanisms in the SAP system and adjust them if necessary.
  Restart Application Server: In some cases, restarting the application server can resolve temporary issues related to locks.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to locking issues for specific guidance and patches. You can search for relevant notes in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Review system logs (SM21) for any additional error messages or warnings that could provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.