How To Fix /IWBEP/SBUIOD095 - Data type '&1' is not based on an interface or a class

/IWBEP/SBUIOD095 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBUIOD -

• Message number: 095

• Message text: Data type '&1' is not based on an interface or a class

Self-Explanatory Message

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/IWBEP/SBUIOD095 - Details

• The SAP error message /IWBEP/SBUIOD095 Data type '&1' is not based on an interface or a class typically occurs in the context of SAP Gateway and OData services. This error indicates that the data type specified (represented by &1) is not recognized as a valid type that is based on an interface or class, which is required for the OData service to function correctly.
  Causes:
  
  Incorrect Data Type Definition: The data type specified in your OData service might not be defined correctly or is not based on a valid ABAP class or interface.
  Missing Class/Interface: The class or interface that the data type is supposed to extend or implement may not exist or may not be activated.
  Typographical Errors: There could be a typo in the data type name, leading to the system not recognizing it.
  Inconsistent Metadata: The metadata for the OData service may not be consistent with the underlying data model, possibly due