How To Fix /IWFND/CM_MGW_RT111 - Association name: '&1' ABAP field name '&2' already exists

/IWFND/CM_MGW_RT111 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 111

• Message text: Association name: '&1' ABAP field name '&2' already exists

Self-Explanatory Message

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/IWFND/CM_MGW_RT111 - Details

• The SAP error message /IWFND/CM_MGW_RT111 indicates that there is a conflict in the definition of an association in your OData service. Specifically, it means that an association name and an ABAP field name are already defined in the context of your OData model, leading to a naming collision.
  
  Cause:
  
  Duplicate Association or Field Names: The error typically arises when you have defined an association in your OData model that has the same name as an existing field in the same entity or in a related entity.
  Model Definition Issues: This can occur due to incorrect or overlapping definitions in your data model, especially if you are using the same names for different purposes.
  Changes in the Data Model: If you have recently modified your data model (e.g., added new associations or fields), it may lead to conflicts with existing definitions.
  
  
  Solution:
  
  Check for Duplicates: Review your OData service's metadata and check for any duplicate association names