How To Fix /SAPAPO/TSW_MDC021 - Route &1 is already assigned to the partner.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TSW_MDC -

• Message number: 021

• Message text: Route &1 is already assigned to the partner.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TSW_MDC021 - Route &1 is already assigned to the partner. ?

  The SAP error message /SAPAPO/TSW_MDC021 indicates that a route is already assigned to a partner in the system. This typically occurs in the context of Advanced Planning and Optimization (APO) when trying to assign a route to a transportation lane or partner that already has that route assigned.
  Cause:
  
  Duplicate Assignment: The route you are trying to assign is already linked to the specified partner or transportation lane.
  Data Integrity Issues: There may be inconsistencies in the master data, leading to unexpected behavior.
  Configuration Errors: Incorrect configuration in the transportation management settings may lead to this error.
  
  Solution:
  
  
  Check Existing Assignments:
  
  Navigate to the relevant transaction in SAP (e.g., /SAPAPO/TSW) and check the existing routes assigned to the partner.
  If the route is indeed already assigned, you may need to either remove the existing assignment or choose a different route.
  
  
  
  Remove Duplicate Assignment:
  
  If the route is no longer needed for that partner, you can remove the existing assignment. This can typically be done in the same transaction where you are trying to make the new assignment.
  
  
  
  Review Master Data:
  
  Ensure that the master data for the partner and routes is correctly maintained. Check for any inconsistencies or errors in the data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to transportation management and route assignments for additional guidance.
  
  
  
  Check Configuration:
  
  If you suspect a configuration issue, consult with your SAP Basis or configuration team to ensure that the transportation management settings are correctly set up.
  
  
  
  Error Logs:
  
  Check the system logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/TSW for transportation planning and /SAPAPO/TP for transportation planning in APO.
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address the issue.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.