How To Fix /IWBEP/CM_MGW_RT143 - No entity type found for output node of function import '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 143

• Message text: No entity type found for output node of function import '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT143 - No entity type found for output node of function import '&1' ?

  The SAP error message /IWBEP/CM_MGW_RT143 No entity type found for output node of function import '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find a corresponding entity type for the output node of a function import in your OData service.
  Cause:
  
  Missing Entity Type: The entity type that is supposed to be returned by the function import is not defined in the OData service metadata.
  Incorrect Function Import Definition: The function import may not be correctly defined in the service, or it may not be associated with the correct entity type.
  Service Activation Issues: The OData service may not be properly activated or may have not been regenerated after changes were made.
  Namespace Issues: There may be a mismatch in the namespace used in the function import and the entity type.
  
  Solution:
  
  
  Check Entity Type Definition:
  
  Go to the Service Builder (transaction code SEGW) and check if the entity type that the function import is supposed to return is defined.
  If it is missing, you need to create the entity type and ensure it is correctly mapped to the function import.
  
  
  
  Review Function Import:
  
  In the Service Builder, check the function import definition. Ensure that it is correctly configured to return the expected entity type.
  Make sure that the return type of the function import matches the entity type defined in the model.
  
  
  
  Regenerate the Service:
  
  After making any changes, regenerate the service by right-clicking on the service in the Service Builder and selecting "Generate Runtime Objects".
  Activate the service if it is not already activated.
  
  
  
  Check Metadata:
  
  Access the OData service metadata (usually at the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata) and verify that the entity type is present in the metadata.
  
  
  
  Check Namespace:
  
  Ensure that the namespace used in the function import matches the namespace of the entity type.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace where the error occurs. This can provide more insight into what might be going wrong.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SEGW: Service Builder for OData services.
  /IWBEP/REG_SERVICE: To register and activate OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues with OData services or specific function imports.
  Documentation: Refer to the SAP Gateway documentation for detailed information on creating and managing OData services.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWBEP/CM_MGW_RT143.