How To Fix TD644 - System error in the lock management

TD644 - Overview

• Message type: E = Error

• Message class: TD - SAPscript: Text editor, composer, forms, styles and fonts

• Message number: 644

• Message text: System error in the lock management

What causes this issue?

Internal error in the lock management.

System Response

Error message

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TD644 - System error in the lock management ?

  The SAP error message TD644, which indicates a "System error in the lock management," typically arises from issues related to the lock table in the SAP system. This error can occur due to various reasons, including:
  Causes:
  
  Lock Table Overflow: The lock table may be full, which can happen if there are too many locks being held or if the system is not configured to handle the number of concurrent users.
  Database Issues: Problems with the underlying database, such as corruption or connectivity issues, can lead to lock management errors.
  System Configuration: Incorrect configuration settings in the SAP system or the database can lead to issues with lock management.
  Transport Issues: If the error occurs during a transport operation, it may be related to issues with the transport directory or the transport management system.
  System Bugs: There may be bugs in the SAP kernel or specific components that lead to this error.
  
  Solutions:
  
  Check Lock Table Size: Increase