How To Fix /SCTM/RG405 - Request &1: route &2 is unidirectional and cannot be used

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCTM/RG -

• Message number: 405

• Message text: Request &1: route &2 is unidirectional and cannot be used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCTM/RG405 - Request &1: route &2 is unidirectional and cannot be used ?

  The SAP error message /SCTM/RG405 Request &1: route &2 is unidirectional and cannot be used typically occurs in the context of SAP Transportation Management (TM). This error indicates that the system is trying to use a route that is defined as unidirectional, meaning it can only be used in one direction, while the request requires a bidirectional route.
  Cause:
  
  Unidirectional Route: The route defined in the system is set to be unidirectional, which means it can only be used for transportation in one specific direction (e.g., from point A to point B).
  Incorrect Request Direction: The request being processed is attempting to use the route in the opposite direction (e.g., from point B to point A), which is not allowed for unidirectional routes.
  Route Configuration: The route may not have been configured correctly in the system, or the request may not match the defined route parameters.
  
  Solution:
  
  Check Route Configuration: Review the configuration of the route in the SAP TM system. Ensure that the route is set up correctly and that it meets the requirements of the transportation request.
  Use a Bidirectional Route: If the transportation request requires movement in both directions, consider using a bidirectional route instead of a unidirectional one. You may need to create a new route or modify the existing one to allow for bidirectional use.
  Adjust the Request: If the request can be modified, ensure that it aligns with the direction of the unidirectional route. This may involve changing the origin and destination of the request to match the route's defined direction.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on configuring routes and understanding the implications of unidirectional versus bidirectional routes.
  
  Related Information:
  
  SAP TM Documentation: Check the official SAP Help Portal for detailed information on route management and configuration in SAP Transportation Management.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMTMS/ROUTE for route management and /SCMTMS/REQ for managing transportation requests.
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address known issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP TM for further assistance.