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

TK819 - Overview

• 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.

TK819 - Details

• 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.