How To Fix QC519 - Inspection lot &2 is being processed by &1

SAP Error Message - Details

• Message type: E = Error

• Message class: QC - QM: Certificates

• Message number: 519

• Message text: Inspection lot &2 is being processed by &1

What causes this issue?

Inspection lot &2 is being processed by &1.

System Response

The status 'Certificate received' in inspection lot &2 should be
updated. This inspection lot however, is being processed by &1.

How to fix this error?

Try to update the status later.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QC519 - Inspection lot &2 is being processed by &1 ?

  The SAP error message QC519 indicates that an inspection lot is currently being processed by another user or session. This typically occurs when multiple users attempt to access or modify the same inspection lot simultaneously, leading to a lock on the lot to prevent data inconsistencies.
  Cause:
  
  Concurrent Access: Another user is currently processing the inspection lot.
  Session Lock: The inspection lot is locked due to an ongoing transaction or process.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  
  Solution:
  
  Wait and Retry: If you encounter this error, wait for a few moments and then try to access the inspection lot again. The other user may complete their processing soon.
  Identify the User: If you have the necessary permissions, you can check which user is currently processing the inspection lot. You can use transaction codes like SM12 (to view locks) or SM21 (to check system logs) to identify the user holding the lock.
  Communicate with the User: If you identify the user, you can communicate with them to understand their processing status and coordinate access to the inspection lot.
  Transaction Termination: If the user is no longer active or the session is stuck, a system administrator may need to terminate the session to release the lock. This should be done with caution to avoid data loss.
  Check for Background Jobs: Sometimes, background jobs may also hold locks on inspection lots. Check if any background jobs are running that might be affecting the inspection lot.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like QC01 (Create Inspection Lot), QC02 (Change Inspection Lot), and QC03 (Display Inspection Lot) to understand the processes involved.
  Lock Management: Understanding how SAP handles locks can help in troubleshooting similar issues in the future. Locks are typically managed at the database level to ensure data integrity.
  User Training: Ensure that users are trained on how to properly handle inspection lots to minimize concurrent access issues.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or technical support for further assistance.