How To Fix /IWFND/CM_MGW_RT146 - Extend the same model '&1' and version '&2' not allowed

/IWFND/CM_MGW_RT146 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 146

• Message text: Extend the same model '&1' and version '&2' not allowed

Self-Explanatory Message

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/IWFND/CM_MGW_RT146 - Details

• The SAP error message /IWFND/CM_MGW_RT146 typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an attempt to extend an existing model and version that is not allowed. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Model and Version Conflict: The error arises when there is an attempt to extend an OData model that has already been defined and published. The system does not allow extending the same model and version because it can lead to inconsistencies and conflicts in the service definition.
  Incorrect Configuration: There may be a misconfiguration in the service definition or the way the extension is being attempted.
  Versioning Issues: If the model version is not properly managed, it can lead to attempts to extend a model that is already in use.
  
  Solution
  
  Check Existing Models: Verify if the model and version you are trying to extend already exist. You can