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

0T043 - Overview

• 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