How To Fix TK312 - Incorrect internal lock argument: &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 312

• Message text: Incorrect internal lock argument: &1 &2 &3

What causes this issue?

The request locks for lock object &V1& (sample length &V3& and lock key
&V2&) cannot be selected.
Reason:
Object = "Space" or
Key = "Space" or
Sample length is greater than 64

System Response

The function was cancelled.

How to fix this error?

Document the error and send a problem message to the SAP Hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK312 - Incorrect internal lock argument: &1 &2 &3 ?

  The SAP error message TK312, which states "Incorrect internal lock argument: &1 &2 &3," typically indicates an issue related to internal locking mechanisms within the SAP system. This error can occur in various contexts, often related to database operations or when accessing certain resources that require locking to ensure data integrity.
  Cause:
  
  Incorrect Lock Parameters: The error suggests that the parameters being passed for the lock operation are incorrect or not recognized by the system.
  Corrupted Lock Entries: There may be corrupted entries in the lock table or issues with the lock management system.
  Concurrency Issues: Multiple processes may be trying to access the same resource simultaneously, leading to conflicts.
  System Bugs: There could be a bug in the SAP system or a specific transaction that is causing the error.
  
  Solution:
  
  Check Parameters: Review the parameters being passed to the locking function. Ensure they are valid and conform to the expected format.
  Restart the Transaction: Sometimes, simply restarting the transaction or the process can resolve temporary issues.
  Clear Lock Entries: If you suspect corrupted lock entries, you can use transaction codes like SM12 (to view and delete lock entries) to clear any stale or incorrect locks.
  System Restart: In some cases, a restart of the SAP system or the application server may be necessary to reset the lock management system.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known bugs related to locking mechanisms.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal 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 help diagnose the issue.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it appears to be a bug or a more complex issue.
  Documentation: Review SAP documentation related to locking mechanisms and concurrency control for a deeper understanding of how locks are managed within the system.
  
  By following these steps, you should be able to diagnose and potentially resolve the TK312 error in your SAP environment.