How To Fix E2457 - Lock modules for & were not yet generated

SAP Error Message - Details

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 457

• Message text: Lock modules for & were not yet generated

What causes this issue?

The lock modules for the displayed lock object were not yet generated
because the lock object has not yet been activated.

System Response

The action is not possible.

How to fix this error?

Activate the lock object.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E2457 - Lock modules for & were not yet generated ?

  The SAP error message E2457, which states "Lock modules for & were not yet generated," typically occurs in the context of SAP ABAP development when the system is unable to find the lock modules for a particular object or table. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Missing Lock Modules: The lock modules for the specified object (usually a database table) have not been generated yet. This can happen if the table was created or modified but the lock modules were not generated as part of the process.
  Transport Issues: If the object was transported from another system, the lock modules may not have been included in the transport request.
  Development Environment: The error may occur in a development environment where the necessary steps to generate lock modules were not followed.
  System Configuration: There may be issues with the system configuration or inconsistencies in the database.
  
  Solutions:
  
  
  Generate Lock Modules:
  
  You can manually generate the lock modules by using transaction code SE11 (Data Dictionary).
  Navigate to the table in question, and then choose the option to generate lock modules. This is usually found under the "Utilities" menu or by right-clicking on the table.
  Alternatively, you can use transaction SE14 (Database Utility) to activate the table, which will also generate the necessary lock modules.
  
  
  
  Check Transport Requests:
  
  If the object was transported, ensure that the transport request included the necessary lock modules. You may need to re-transport the object or manually generate the lock modules in the target system.
  
  
  
  Check for Errors:
  
  Review the system logs (transaction SLG1) for any related errors that might provide more context on why the lock modules were not generated.
  
  
  
  Re-activate the Table:
  
  If the table has been modified, you can try re-activating it in SE11, which should regenerate the lock modules.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or additional steps that may be required.
  
  
  
  Related Information:
  
  Lock Mechanism: In SAP, lock modules are used to manage concurrent access to database records. They ensure data integrity by preventing multiple users from modifying the same data simultaneously.
  Transaction Codes:
  
  SE11: Data Dictionary
  SE14: Database Utility
  SLG1: Application Log
  
  
  SAP Notes: Check SAP Notes for any specific issues related to your version of SAP that might address this error.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.