How To Fix /IWFND/CM_MGW084 - No model was found for service '&1' and entity '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 084

• Message text: No model was found for service '&1' and entity '&2'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW084 - No model was found for service '&1' and entity '&2' ?

  The SAP error message /IWFND/CM_MGW084 No model was found for service '&1' and entity '&2' typically occurs in the context of SAP Gateway services, particularly when working with OData services. This error indicates that the system is unable to find a data model for the specified service and entity.
  Causes:
  
  Service Not Registered: The OData service may not be properly registered in the SAP Gateway system.
  Model Not Generated: The data model for the specified service and entity might not have been generated or activated.
  Incorrect Service Name or Entity Name: There could be a typo or incorrect naming in the service or entity name being called.
  Authorization Issues: The user may not have the necessary authorizations to access the service or entity.
  Service Versioning: If there are multiple versions of the service, the wrong version might be referenced.
  Backend Issues: The backend system might not be properly configured or might be down.
  
  Solutions:
  
  
  Check Service Registration:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Ensure that the service is registered and activated.
  
  
  
  Generate the Model:
  
  If the service is registered but the model is not generated, you can regenerate it by going to the Service Builder and activating the service again.
  
  
  
  Verify Service and Entity Names:
  
  Double-check the service and entity names in your OData request to ensure they are correct.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the service and entity. You can check this in transaction SU53 after the error occurs.
  
  
  
  Check Service Version:
  
  If you are using a specific version of the service, ensure that you are referencing the correct version.
  
  
  
  Review Backend Configuration:
  
  Check the backend system for any issues that might prevent the service from functioning correctly. This includes checking for any transport issues or system downtimes.
  
  
  
  Debugging:
  
  If the issue persists, you can enable debugging for the OData service to get more insights into what might be going wrong.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: Service Maintenance
  /IWFND/GW_CLIENT: OData Client for testing services
  SE80: Object Navigator for checking the service implementation
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error.
  
  
  Documentation: Refer to the SAP Gateway documentation for more details on service registration and model generation.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWFND/CM_MGW084 error message.