How To Fix TR445 - Transport layer &1 may not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 445

• Message text: Transport layer &1 may not be changed

What causes this issue?

The transport layer &V1& is only intended for original SAP objects.
Original SAP objects always have the integration system &V2& and the
consolidation system &V3&.

System Response

The transport layer &V1& 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 TR445 - Transport layer &1 may not be changed ?

  The SAP error message TR445, which states "Transport layer &1 may not be changed," typically occurs when there is an attempt to modify the transport layer settings in a way that is not permitted. This can happen in various scenarios, such as when trying to change the transport layer of a transport request or when attempting to modify the transport layer configuration in a way that violates system rules.
  Cause:
  
  System Restrictions: The transport layer is often locked or restricted from changes due to system settings or configurations. This is to ensure the integrity and stability of the transport system.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the transport layer.
  Incorrect Configuration: The transport layer may be incorrectly configured, or the system may be in a state that does not allow changes (e.g., during a transport operation).
  Transport Layer Status: The transport layer may be in a status that does not allow modifications, such as being assigned to a specific client or transport route.
  
  Solution:
  
  Check Authorizations: Ensure that the user attempting to make the change has the necessary authorizations. You may need to consult with your SAP security team to verify this.
  Review Transport Layer Settings: Check the current settings of the transport layer in transaction SE03 (Transport Organizer Tools) or SE01 (Transport Management System). Ensure that the transport layer is not locked or restricted.
  Consult Documentation: Review SAP documentation or notes related to transport layers to understand any specific restrictions or guidelines that may apply to your system.
  System Configuration: If you are an administrator, check the configuration of the transport layer in transaction SE06 (Transport Organizer) to ensure it is set up correctly.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific version and configuration of your SAP system.
  
  Related Information:
  
  Transport Management System (TMS): Understanding how TMS works can help in managing transport layers effectively.
  SAP Notes: Search for relevant SAP Notes that may address specific issues related to transport layers and error TR445.
  Transport Layer Configuration: Familiarize yourself with the configuration of transport layers, including how they are assigned to clients and transport routes.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the TR445 error message in SAP.