How To Fix /IWBEP/SBOD403 - Key Property cannot be of type '&1'

/IWBEP/SBOD403 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 403

• Message text: Key Property cannot be of type '&1'

Self-Explanatory Message

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/IWBEP/SBOD403 - Details

• The SAP error message /IWBEP/SBOD403 Key Property cannot be of type '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that a key property defined in your OData model is of an unsupported type. The key properties in an OData service must be of certain primitive types, such as Edm.String, Edm.Int32, Edm.Int64, etc. If a key property is defined with a type that is not allowed, this error will be triggered.
  
  Cause:
  
  Invalid Data Type: The key property is defined with a data type that is not supported as a key in OData services.
  Model Definition Issues: There may be issues in the way the OData model is defined, particularly in the metadata or the entity type definitions.
  Inconsistent Annotations: Annotations in the service definition may not align with the expected types for key properties.
  
  
  Solution:
  
  Check Data Types: Review the data types of the key properties in your OData