How To Fix /IWBEP/CM_MGW_RT079 - Set a new main service necessary before unassign the old one

/IWBEP/CM_MGW_RT079 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 079

• Message text: Set a new main service necessary before unassign the old one

Self-Explanatory Message

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/IWBEP/CM_MGW_RT079 - Details

• The SAP error message /IWBEP/CM_MGW_RT079 typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an attempt to unassign a main service without first setting a new main service. This situation can arise when you are trying to modify the service configuration in the SAP Gateway.
  
  Cause:
  The error is caused by the following scenarios:
  
  Service Configuration Issue: You are trying to unassign a main service from a service group or a service configuration without assigning a new main service first.
  Service Dependencies: The system requires that a main service is always assigned to ensure that there is a fallback or a primary service available for processing requests.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Assign a New Main Service:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Open the service group or the service configuration where the error occurred.
  Assign a new main service by selecting the appropriate service