How To Fix /SCMTMS/TRQ451 - Cannot select freight document; mandatory default route exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/TRQ -

• Message number: 451

• Message text: Cannot select freight document; mandatory default route exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/TRQ451 - Cannot select freight document; mandatory default route exists ?

  The SAP error message /SCMTMS/TRQ451 Cannot select freight document; mandatory default route exists typically occurs in the SAP Transportation Management System (TM) when there is an issue with the routing of a freight document. This error indicates that a mandatory default route has been defined for the transportation request, but the system is unable to select a freight document due to this constraint.
  Cause:
  
  Mandatory Default Route: A default route has been set as mandatory in the system, which means that the system expects this route to be used for the transportation request.
  Route Determination Issues: The system may not be able to find a suitable freight document that matches the mandatory default route criteria.
  Missing or Incorrect Data: There may be missing or incorrect data in the transportation request or in the master data (e.g., location, transportation lanes, etc.) that prevents the system from selecting the appropriate freight document.
  Configuration Issues: The configuration settings for route determination or freight document selection may not be set up correctly.
  
  Solution:
  
  Check Default Route Configuration: Review the configuration of the mandatory default route in the system. Ensure that it is correctly defined and that all necessary parameters are set.
  Verify Transportation Request Data: Check the transportation request for any missing or incorrect data. Ensure that all required fields are filled out correctly.
  Review Master Data: Ensure that the master data (e.g., locations, transportation lanes, etc.) is correctly maintained and that the relevant data is available for the route determination process.
  Analyze Route Determination: Use transaction codes like /SCMTMS/RTD to analyze the route determination process and see why the system is unable to select a freight document.
  Check Freight Document Availability: Ensure that there are available freight documents that can be used with the mandatory default route.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on configuring routes and freight documents in SAP TM.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMTMS/RTD for route determination and /SCMTMS/FREIGHT for freight document management.
  SAP Notes: Check for any SAP Notes related to this error message for potential bug fixes or additional guidance.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the steps you have taken to resolve it.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.