How To Fix TK819 - Error: Could not insert transformed lock key entries

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 819

• Message text: Error: Could not insert transformed lock key entries

What causes this issue?

When the converted lock key entries with the new syntax were inserted at
database level, an internal error occurred.

System Response

Execution of the report for adjusting the lock key table was terminated.

How to fix this error?

No changes were made up till now to the lock key table at database
level. This means that the report can be executed again without any
problems.
If you are in an upgrade, repeat the current phase.
If this error occurs again, check the following causes:
Does the lock key table TLOCK exist in the SAP system and database?
Does the connection work between the database and SAP system?
Is there enough space in the database to extend the lock key table
TLOCK?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK819 - Error: Could not insert transformed lock key entries ?

  The SAP error message TK819, which states "Could not insert transformed lock key entries," typically relates to issues with the lock management in the SAP system. This error can occur in various scenarios, often linked to database locks or issues with the lock table.
  Causes:
  
  Database Lock Issues: The error may arise if there are problems with the database locks, such as contention or deadlocks.
  Lock Table Overflow: If the lock table is full, new lock entries cannot be added, leading to this error.
  System Performance Issues: High load on the system or performance bottlenecks can also contribute to this error.
  Configuration Issues: Incorrect configuration settings for the lock management parameters in the SAP system can lead to this error.
  Transport Issues: If the error occurs during a transport, it may be related to the transport directory or the transport request itself.
  
  Solutions:
  
  Check Lock Table Size: Increase the size of the lock table if it is full. This can be done by adjusting the parameter enque/table_size in the instance profile.
  Monitor Locks: Use transaction codes like SM12 to monitor and manage locks. You can check for any long-held locks that may be causing contention.
  System Performance: Analyze system performance using transaction codes like ST03N or ST04 to identify any bottlenecks that may be affecting lock management.
  Restart Enqueue Server: In some cases, restarting the enqueue server can resolve temporary issues with lock management.
  Check for Deadlocks: Investigate if there are any deadlocks occurring in the system that may be causing this error.
  Review Configuration: Ensure that the configuration settings for lock management are appropriate for your system's workload.
  Transport Directory: If the error occurs during a transport, check the transport directory for any inconsistencies or issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to TK819 for any specific patches or updates that may address this issue.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.