/SCMTMS/PLN_OPT_EXP551 - No valid route that fulfills all constraints

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/PLN_OPT_EXP -

• Message number: 551

• Message text: No valid route that fulfills all constraints

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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AnswerBot

• What is the cause and solution for SAP error message /SCMTMS/PLN_OPT_EXP551 - No valid route that fulfills all constraints ?

  The SAP error message /SCMTMS/PLN_OPT_EXP551 indicates that there is no valid route available that meets all the constraints specified in the transportation planning process. This error typically arises in the context of SAP Transportation Management (TM) when trying to plan a transportation order or shipment.
  Causes:
  
  
  Route Constraints: The defined routes may not meet the constraints set for the transportation order, such as:
  
  Distance or time constraints.
  Capacity constraints (e.g., vehicle capacity).
  Specific route restrictions (e.g., no hazardous materials on certain routes).
  
  
  
  Missing Master Data: Required master data such as:
  
  Transportation lanes.
  Shipping points.
  Locations (e.g., plants, customers) may not be properly configured or missing.
  
  
  
  Incorrect Planning Parameters: The planning parameters set in the system may be too restrictive, leading to no available routes.
  
  
  Transportation Network Issues: The transportation network may not be properly defined, or there may be gaps in the network that prevent route determination.
  
  
  Time Windows: The time windows specified for pickup or delivery may not align with the available routes.
  
  
  Solutions:
  
  
  Review Route Configuration: Check the configuration of transportation lanes and routes to ensure they are correctly set up and that they meet the constraints of the transportation order.
  
  
  Adjust Constraints: If possible, relax some of the constraints in the transportation order to see if a valid route can be found.
  
  
  Check Master Data: Ensure that all necessary master data (e.g., locations, shipping points, vehicles) is correctly maintained and up to date.
  
  
  Analyze Planning Parameters: Review the planning parameters in the system to ensure they are not overly restrictive. Adjust them if necessary.
  
  
  Validate Transportation Network: Ensure that the transportation network is complete and that there are no gaps that would prevent route determination.
  
  
  Check Time Windows: Verify that the time windows for pickup and delivery are realistic and can be accommodated by the available routes.
  
  
  Use Alternative Planning Tools: If the standard planning does not yield results, consider using alternative planning tools or methods within SAP TM.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SCMTMS/PLN for planning or /SCMTMS/ROUTE for route determination to analyze the situation further.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Documentation: Refer to the SAP Help Portal for detailed documentation on transportation planning and route determination processes.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.