How To Fix QI004 - System error while locking inspection lot

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 004

• Message text: System error while locking inspection lot

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 QI004 - System error while locking inspection lot ?

  The SAP error message QI004, which indicates a "System error while locking inspection lot," typically occurs when there is an issue with the locking mechanism in the SAP system related to inspection lots. This can happen for various reasons, including database inconsistencies, system performance issues, or problems with the specific transaction being executed.
  Causes:
  
  Database Locking Issues: The inspection lot may be locked by another user or process, preventing the current transaction from acquiring the necessary lock.
  System Performance: High system load or performance issues can lead to timeouts or failures in acquiring locks.
  Inconsistent Data: There may be inconsistencies in the database that prevent the system from properly locking the inspection lot.
  Configuration Issues: Incorrect configuration in the Quality Management (QM) module or related settings may lead to locking problems.
  Transport Issues: If recent changes or transports have been made, they may have introduced errors or inconsistencies.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for existing locks on the inspection lot. If another user or process is holding the lock, you may need to wait or coordinate with them.
  System Performance: Monitor system performance using transaction SM66 or ST22 to identify any performance bottlenecks or dumps that may be affecting the locking mechanism.
  Database Consistency Check: Run consistency checks on the database to identify and resolve any inconsistencies. This may involve using transaction codes like SE11 or SE14 for database table checks.
  Review Configuration: Check the configuration settings in the QM module to ensure they are set up correctly. This may involve reviewing the settings in transaction SPRO.
  Restart the Transaction: Sometimes, simply restarting the transaction or logging out and back into the system can resolve temporary issues.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a bug or a deeper system issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QA32 (for managing inspection lots), SM12 (for monitoring locks), and ST22 (for analyzing dumps).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  User Authorization: Ensure that the user has the necessary authorizations to lock and manage inspection lots.
  
  By following these steps, you should be able to diagnose and resolve the QI004 error effectively.