How To Fix /IWBEP/CM_MGW_RT175 - Key structure for entity type &1 not created; check service model

/IWBEP/CM_MGW_RT175 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 175

• Message text: Key structure for entity type &1 not created; check service model

Self-Explanatory Message

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/IWBEP/CM_MGW_RT175 - Details

• The SAP error message /IWBEP/CM_MGW_RT175 indicates that there is an issue with the key structure for an entity type in your OData service model. This error typically arises when the key fields for an entity type are not properly defined or configured in the service model.
  
  Cause:
  
  Missing Key Fields: The entity type defined in the service model does not have any key fields specified. Every entity type in OData must have a key to uniquely identify its instances.
  Incorrect Configuration: The service model may not be correctly configured, leading to the inability to generate the key structure.
  Model Inconsistencies: There may be inconsistencies in the data model, such as missing associations or navigation properties that are required for the key structure.
  Service Activation Issues: The OData service may not be activated properly, or there may be issues with the service definition.
  
  
  Solution:
  
  
  Define Key Fields:
  
  Go to the service model in the SAP Gateway Service Builder (transaction