How To Fix /IWFND/CM_MGW_RT142 - No entity type found for input node of function import '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 142

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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT142 - No entity type found for input node of function import '&1' ?

  The SAP error message /IWFND/CM_MGW_RT142 No entity type found for input node of function import '&1' typically occurs in the context of SAP Gateway services when there is an issue with the OData service configuration or the data model. This error indicates that the system cannot find a corresponding entity type for the input node specified in the function import.
  Causes:
  
  Missing Entity Type: The entity type that is expected for the input node is not defined in the data model.
  Incorrect Function Import Definition: The function import may not be correctly defined in the OData service, leading to a mismatch between the expected input and the actual input.
  Service Activation Issues: The OData service may not be properly activated or registered in the SAP Gateway.
  Namespace Issues: There may be a mismatch in the namespace used in the service definition and the one used in the request.
  Model Changes: If there have been recent changes to the data model (like adding or removing entity types), the service may not have been regenerated or activated properly.
  
  Solutions:
  
  
  Check Entity Type Definition:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Verify that the entity type for the input node is defined correctly in the data model.
  
  
  
  Review Function Import:
  
  In the Service Builder, check the function import definition to ensure that it is correctly set up to accept the input node.
  Ensure that the input parameters match the expected entity types.
  
  
  
  Activate/Regenerate Service:
  
  If changes were made to the data model, ensure that the service is activated. You can do this in the Service Builder by selecting the service and choosing the "Activate" option.
  Regenerate the service to ensure that all changes are reflected.
  
  
  
  Check Service Registration:
  
  Use transaction code /IWFND/MAINT_SERVICE to check if the service is registered and active.
  If not, register the service and ensure it is active.
  
  
  
  Namespace Verification:
  
  Ensure that the namespace used in the OData service matches the one used in the request. This can often be a source of confusion.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace the request and identify where the mismatch occurs.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Maintenance of OData services.
  /IWFND/GW_CLIENT: OData client for testing services.
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for detailed guidance on service creation and troubleshooting.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWFND/CM_MGW_RT142.