Message type: E = Error
Message class:  /IWBEP/CM_V4_MED -  
Message number: 298
Message text: Empty complex type '&1' ('&2') not supported
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The SAP error message /IWBEP/CM_V4_MED298 Empty complex type '&1' ('&2') not supported typically occurs in the context of OData services when there is an attempt to serialize or process a complex type that is empty. This can happen when the OData service is trying to return a complex type that does not contain any properties or values, which is not supported.
Cause:
Empty Complex Type: The error indicates that a complex type is being returned without any properties. In OData, complex types must have at least one property to be valid.
Data Model Issues: There may be issues in the data model where the expected data is not being populated correctly, leading to an empty complex type.
Service Implementation: The implementation of the OData service might not be handling certain scenarios correctly, resulting in the return of empty complex types.
Solution:
Check Data Population: Ensure that the data being returned by the OData service is correctly Get instant SAP help. Sign up for our Free Essentials Plan.
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