How To Fix /IWFND/CM_MGW_RT139 - No entity type found for entity set '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 139

• Message text: No entity type found for entity set '&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT139 - No entity type found for entity set '&1' ?

  The SAP error message /IWFND/CM_MGW_RT139 No entity type found for entity set '&1' typically occurs in the context of SAP Gateway services when the system cannot find the specified entity type for the given entity set. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Incorrect Entity Set Name: The entity set name specified in the request does not match any defined entity sets in the OData service.
  Service Registration Issues: The OData service may not be properly registered or activated in the SAP Gateway.
  Model Definition Issues: The entity type may not be defined in the data model of the OData service.
  Namespace Issues: There may be a mismatch in the namespace used in the request and the one defined in the service.
  Authorization Issues: The user may not have the necessary authorizations to access the entity set.
  
  Solutions:
  
  
  Check Entity Set Name: Verify that the entity set name in the request matches exactly with the one defined in the OData service. This includes checking for typos and case sensitivity.
  
  
  Service Activation: Ensure that the OData service is activated in the SAP Gateway. You can do this by using transaction code /IWFND/MAINT_SERVICE to check the status of the service.
  
  
  Review Data Model: Open the service in the SAP Gateway Service Builder (transaction code SEGW) and check if the entity type and entity set are correctly defined. If not, you may need to redefine them.
  
  
  Check Namespace: Ensure that the namespace used in the request matches the one defined in the service. This is particularly important if you are using custom services.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to access the entity set. You can check this in transaction SU53 after the error occurs to see if there are any authorization issues.
  
  
  Regenerate the Service: If changes were made to the data model, you may need to regenerate the service and re-activate it.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage and activate OData services.
  SEGW: To access the Service Builder for OData services.
  SE11: To check the underlying database tables and structures if needed.
  
  
  
  Debugging: You can use transaction IWFND/ERROR_LOG to view detailed error logs related to OData service calls, which may provide more context on the error.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to your version of SAP or the OData service you are using.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWFND/CM_MGW_RT139 No entity type found for entity set '&1'.