How To Fix /IWBEP/CM_V4S_RUN081 - Expand not supported for functions

/IWBEP/CM_V4S_RUN081 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 081

• Message text: Expand not supported for functions

Self-Explanatory Message

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/IWBEP/CM_V4S_RUN081 - Details

• The SAP error message /IWBEP/CM_V4S_RUN081 Expand not supported for functions typically occurs in the context of OData services when there is an attempt to use the $expand query option on a function import that does not support it. This error indicates that the OData service is trying to expand related entities, but the function being called does not allow for this operation.
  
  Cause:
  
  Function Import Limitation: The function import defined in the OData service does not support the $expand option. This is common for function imports that return scalar values or do not have navigation properties.
  Incorrect OData Query: The OData query being sent to the service includes $expand for a function that is not designed to handle it.
  Service Definition: The service might not be properly defined to handle complex types or navigation properties that would allow for expansion.
  
  
  Solution:
  
  Review the OData Service: Check the definition of the OData service and the function import