How To Fix NGC_CORE_DB009 - Class type &1 object &2 cannot be locked: system failure

SAP Error Message - Details

• Message type: E = Error

• Message class: NGC_CORE_DB - Message class for Conversion reports

• Message number: 009

• Message text: Class type &1 object &2 cannot be locked: system failure

What causes this issue?

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

System Response

The conversion of the current package is aborted.

How to fix this error?

SAP support should be contacted to fix the issue and then you should run
the conversion again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NGC_CORE_DB009 - Class type &1 object &2 cannot be locked: system failure ?

  The SAP error message NGC_CORE_DB009 indicates that there is a problem with locking a specific object in the database. This error typically arises when the system encounters a failure while trying to lock a database object, which can prevent certain operations from being completed successfully.
  Cause:
  
  Database Locking Issues: The error may occur due to issues with the database locking mechanism. This can happen if the database is unable to acquire a lock on the specified object due to contention or if the object is already locked by another process.
  System Resource Problems: Insufficient system resources (like memory or CPU) can lead to failures in processing requests, including locking mechanisms.
  Database Corruption: In some cases, corruption in the database can lead to locking issues.
  Configuration Issues: Incorrect configuration settings in the SAP system or the underlying database can also lead to locking problems.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If you find that the object is locked by another user or process, you may need to wait for that process to complete or, if appropriate, delete the lock entry.
  Review System Logs: Check the system logs (transaction SM21) for any related error messages that might provide more context about the failure.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. This may involve checking for corruption or other issues.
  Restart Services: If the issue persists, consider restarting the relevant SAP services or the database itself to clear any temporary issues.
  Increase Resources: If resource limitations are suspected, consider increasing the available memory or CPU resources for the SAP system or database.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues.
  SAP Support: If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They may provide patches or specific guidance based on the version of SAP you are using.
  Documentation: Review the official SAP documentation for your specific version to understand any known issues or configurations that might affect locking behavior.
  
  By following these steps, you should be able to diagnose and resolve the NGC_CORE_DB009 error effectively.