How To Fix /IWBEP/SBUIOD028 - The Property name &1 for field &2 is not unique.

/IWBEP/SBUIOD028 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBUIOD -

• Message number: 028

• Message text: The Property name &1 for field &2 is not unique.

Self-Explanatory Message

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/IWBEP/SBUIOD028 - Details

• The SAP error message /IWBEP/SBUIOD028 indicates that there is a problem with the uniqueness of property names in the context of an OData service. This error typically arises when there are multiple fields or properties defined with the same name within the same entity type or context, which violates the OData specification that requires property names to be unique within an entity.
  
  Cause:
  
  Duplicate Property Names: The most common cause of this error is that there are two or more properties defined with the same name in the same entity type.
  Model Definition Issues: If you are using a CDS view or a similar model definition, there might be a misconfiguration or duplication in the way fields are defined.
  Inconsistent Metadata: If the metadata of the OData service is not properly generated or updated, it may lead to inconsistencies that cause this error.
  
  
  Solution:
  
  Check for Duplicates: Review the entity type definition in your OData service