How To Fix /IWFND/CM_MGW259 - Change the processing mode to "routing-based" before adding system alias

/IWFND/CM_MGW259 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 259

• Message text: Change the processing mode to "routing-based" before adding system alias

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW259 - Change the processing mode to "routing-based" before adding system alias ?

  The SAP error message /IWFND/CM_MGW259 indicates that there is an issue with the configuration of the OData service in the SAP Gateway. Specifically, it suggests that the processing mode needs to be changed to "routing-based" before you can add a system alias. Here’s a breakdown of the cause, solution, and related information for this error:
  Cause
  The error occurs when you attempt to add a system alias in the SAP Gateway but the processing mode is set to "service-based" instead of "routing-based." The routing-based processing mode is required for certain configurations, especially when dealing with multiple back-end systems or when you want to route requests to different systems based on the service being called.
  Solution
  To resolve this error, you need to change the processing mode from "service-based" to "routing-based." Here are the steps to do this:
  
  
  Access the SAP Gateway Service Builder:
  
  Go to transaction code /IWFND/MAINT_SERVICE in the SAP GUI.
  
  
  
  Select the Service:
  
  Find and select