How To Fix 0T043 - Transport layer &1 is not allowed for system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 0T - WBO Configuration Editor / SE06

• Message number: 043

• Message text: Transport layer &1 is not allowed for system &2

What causes this issue?

You specified a transport layer that by definition is not allowed for
the system &V2&.
An example of this is the transport layer 'SAP', which is only assigned
automatically to the 'SAP' system as a standard transport layer. It may
not be assigned to any other system as a standard transport layer.

System Response

The assignment is rejected.

How to fix this error?

Use another transport layer.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 0T043 - Transport layer &1 is not allowed for system &2 ?

  The SAP error message 0T043 indicates that a transport layer is not allowed for a specific system. This typically occurs when there is a configuration issue related to the transport layer settings in the SAP system landscape.
  Cause:
  
  Transport Layer Configuration: The transport layer specified in the transport request is not allowed for the target system. This can happen if the transport layer is not assigned to the system in the Transport Management System (TMS).
  System Type Mismatch: The transport layer may be configured for a different type of system (e.g., development, quality assurance, production) than the one you are trying to transport to.
  Transport Route Issues: There may be issues with the transport routes defined in TMS, which can prevent the transport from being processed correctly.
  
  Solution:
  
  
  Check Transport Layer Assignment:
  
  Go to the TMS configuration (transaction code STMS).
  Navigate to the Transport Routes and check the transport layer assignments for the target system.
  Ensure that the transport layer used in the transport request is assigned to the target system.
  
  
  
  Modify Transport Layer:
  
  If the transport layer is not assigned, you may need to either assign it to the system or modify the transport request to use a different transport layer that is allowed for the target system.
  
  
  
  Review System Configuration:
  
  Ensure that the system type (Development, Quality, Production) matches the transport layer configuration.
  Check the system's configuration in TMS to ensure it is set up correctly.
  
  
  
  Consult Transport Management Documentation:
  
  Review SAP documentation or consult with your Basis team for specific guidelines on configuring transport layers and routes.
  
  
  
  Recreate Transport Request:
  
  If necessary, you may recreate the transport request with the correct transport layer that is allowed for the target system.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  STMS: Transport Management System
  SE01: Transport Organizer
  SE09: Workbench Organizer
  SE10: Customizing Organizer
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to transport layers and configurations.
  
  
  Transport Management System (TMS): Familiarize yourself with TMS concepts, including transport layers, routes, and system types, to better understand how to manage transports in your SAP landscape.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.