How To Fix /IWBEP/SBOD160 - Function Import '&1': No return type expected (check Return Type Kind)

/IWBEP/SBOD160 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBOD -

• Message number: 160

• Message text: Function Import '&1': No return type expected (check Return Type Kind)

Self-Explanatory Message

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/IWBEP/SBOD160 - Details

• The SAP error message /IWBEP/SBOD160 Function Import '&1': No return type expected (check Return Type Kind) typically occurs in the context of SAP Gateway and OData services when there is a mismatch in the expected return type of a function import in an OData service.
  
  Cause:
  This error indicates that the function import defined in the OData service is not configured correctly regarding its return type. Specifically, it suggests that the function import is expected to return a certain type of data, but the configuration does not align with that expectation. Common causes include:
  
  Incorrect Return Type Configuration: The function import may be defined without a return type when one is expected, or it may be defined with a return type that is not appropriate for the function's logic.
  Service Definition Issues: The OData service definition might not be properly set up, leading to inconsistencies in how the function import is interpreted.
  Model Issues: The