How To Fix /IWFND/MED070 - No inheritance hierarchy defined for model '&1'

/IWFND/MED070 - Overview

• Message type: E = Error

• Message class: /IWFND/MED -

• Message number: 070

• Message text: No inheritance hierarchy defined for model '&1'

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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/IWFND/MED070 - Details

• The SAP error message /IWFND/MED070 No inheritance hierarchy defined for model '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find an inheritance hierarchy for the specified model, which is necessary for the proper functioning of the OData service.
  
  Cause:
  
  Missing Inheritance Hierarchy: The error usually arises when the OData model is expected to have an inheritance hierarchy defined, but it is not set up in the system.
  Model 
  Configuration Issues: There may be issues with the configuration of the OData model in the SAP Gateway Service Builder (transaction code SEGW).
  Service Activation: The OData service may not be properly activated or registered in the system.
  Model Name Mismatch: The model name specified in the error message may not match any defined models in the system.
  
  
  Solution:
  
  
  Define Inheritance Hierarchy:
  
  Go to the Service Builder (transaction SEGW).
  Open the relevant project and check the data model.
  Ensure that