How To Fix /KJCH1/CH01021 - Same route combination exists already.

/KJCH1/CH01021 - Overview

• Message type: E = Error

• Message class: /KJCH1/CH01 -

• Message number: 021

• Message text: Same route combination exists already.

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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/KJCH1/CH01021 - Details

• The SAP error message /KJCH1/CH01021 indicates that there is an attempt to create or modify a route in the system that already exists. This typically occurs in the context of transportation management or logistics, where routes are defined for the movement of goods.
  
  Cause:
  The error is triggered when:
  
  You are trying to create a new route that has the same combination of parameters (e.g., start location, end location, transportation mode) as an existing route.
  There may be a duplicate entry in the database for the route you are trying to create.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Routes:
  
  Navigate to the route management area in SAP and check for existing routes that match the parameters you are trying to use.
  Use transaction codes like VT01N (Create Route) or VT02N (Change Route) to view existing routes.
  
  
  
  Modify Existing Route:
  
  If you find an existing route that matches, consider modifying it instead of creating a