Message type: E = Error
Message class:  /IWBEP/SBOD -  
Message number: 039
Message text: Invalid type definition due to recursive base type assignment
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The SAP error message /IWBEP/SBOD039 Invalid type definition due to recursive base type assignment typically occurs in the context of SAP Gateway and OData services when there is an issue with the data model definitions, particularly with the way types are defined in the service.
Cause: This error is generally caused by a recursive type definition in your OData service. A recursive type definition occurs when a type is defined in such a way that it references itself directly or indirectly, leading to an infinite loop in the type hierarchy. This can happen if: A complex type is defined to include itself as a property. There are circular references between types. The base type of a complex type is defined in a way that it leads back to the same type.
Solution: To resolve this error, you can take the following steps: Review Type Definitions: Check the definitions of your complex types and ensure that none of them
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