How To Fix TR446 - The layer for local developments cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 446

• Message text: The layer for local developments cannot be changed

What causes this issue?

The empty layer (" ") is meant for local developments and has no
integration or consolidation system.

System Response

The layer can therefore not be changed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TR446 - The layer for local developments cannot be changed ?

  The SAP error message TR446, which states "The layer for local developments cannot be changed," typically occurs when there is an attempt to change the development layer of an object that is not allowed to be modified in the current context. This is often related to the transport layer settings in the SAP system.
  Cause:
  
  Incorrect Layer Assignment: The object you are trying to modify is assigned to a layer that does not permit changes, such as the "SAP" layer or a layer that is locked for changes.
  Transport Request Issues: The transport request may not be correctly configured, or you may be trying to change an object that is already included in a transport request.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the specified layer.
  Development Class Restrictions: The object belongs to a development class that restricts changes to certain layers.
  
  Solution:
  
  Check Object Layer: Verify the layer of the object you are trying to modify. You can do this by checking the object properties in the ABAP Workbench (SE80).
  Use the Correct Layer: If you need to make changes, ensure you are working in the appropriate layer (e.g., "Local" or "Custom" layer) that allows modifications.
  Create a New Transport Request: If the object is part of a transport request, consider creating a new transport request for your changes.
  Authorization Check: Ensure that you have the necessary authorizations to make changes in the specified layer. You may need to contact your SAP security administrator.
  Development Class Settings: If the object belongs to a development class, check the settings of that development class to see if it allows changes in the layer you are working in.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE03 (Transport Organizer) to manage and check transport requests and object layers.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to TR446 or transport layer management.
  Documentation: Review SAP documentation on transport management and development environments to understand the implications of different layers and how to manage them effectively.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.