How To Fix QI103 - System error while locking

SAP Error Message - Details

• Message type: E = Error

• Message class: QI - Notifications for interface modules for connecting subsyst.

• Message number: 103

• Message text: System error while locking

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message QI103 - System error while locking ?

  The SAP error message QI103, which indicates a "System error while locking," typically occurs when there is an issue with the system's ability to lock a particular object or resource during a transaction. This can happen in various contexts, such as during quality inspection processing or when handling inventory management tasks.
  Causes:
  
  Database Lock Issues: The system may be unable to acquire a lock on a database record due to contention with other processes or transactions.
  System Performance: High system load or performance issues can lead to delays in acquiring locks.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking problems.
  Network Issues: Network latency or interruptions can affect the ability to communicate with the database, leading to locking errors.
  Transaction Rollback: If a previous transaction that was supposed to lock the object was rolled back, it may leave the object in an inconsistent state.
  
  Solutions:
  
  Check System Load: Monitor the system performance and check for any processes that may be causing high load. If necessary, optimize or schedule heavy jobs during off-peak hours.
  Review Lock Entries: Use transaction code SM12 to check for existing lock entries. If there are stale locks, you may need to delete them (ensure that you have the necessary authorizations and that it is safe to do so).
  Transaction Management: Ensure that transactions are being properly committed or rolled back to avoid leaving locks in place.
  Configuration Review: Review the configuration settings related to locking mechanisms in your SAP system. Ensure that they are set up correctly.
  Database Performance: Check the database performance and ensure that it is optimized. This may involve database tuning or checking for issues at the database level.
  Network Stability: Ensure that the network connection between the application server and the database server is stable and performing well.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the QI103 error. SAP frequently updates its knowledge base with solutions for specific error messages.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues further.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the locking issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.