How To Fix /IWFND/CM_MGW_RT024 - Model provider class is empty for model '&1' version '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 024

• Message text: Model provider class is empty for model '&1' version '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT024 - Model provider class is empty for model '&1' version '&2' ?

  The SAP error message /IWFND/CM_MGW_RT024 Model provider class is empty for model '&1' version '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that the model provider class for the specified OData model is not defined or is empty, which means that the system cannot retrieve the necessary data for the specified model and version.
  Cause:
  
  Missing Implementation: The model provider class for the specified OData model has not been implemented or is not correctly assigned.
  Incorrect Model Version: The version specified in the error message may not correspond to an existing implementation.
  Transport Issues: If the model was recently transported from another system, the transport may not have included the necessary classes or configurations.
  Activation Issues: The OData service or the model provider class may not be activated in the system.
  
  Solution:
  
  
  Check Model Provider Class:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Locate the OData service and check if the model provider class is implemented correctly.
  Ensure that the class is not empty and contains the necessary methods to handle the data retrieval.
  
  
  
  Implement Missing Logic:
  
  If the model provider class is empty, implement the required logic to handle the data retrieval for the specified model.
  
  
  
  Check Service Registration:
  
  Ensure that the OData service is registered correctly in the SAP Gateway (transaction code /IWFND/MAINT_SERVICE).
  Check if the service is active and properly configured.
  
  
  
  Check Versioning:
  
  Verify that the version specified in the error message corresponds to an existing implementation. If necessary, update the version or create a new version of the model.
  
  
  
  Transport Check:
  
  If the model was transported, ensure that all necessary objects (including the model provider class) were included in the transport request.
  
  
  
  Re-activate the Service:
  
  Sometimes, simply re-activating the OData service can resolve the issue. You can do this in the service maintenance transaction.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to identify where the failure occurs. This can provide insights into whether the model provider class is being called correctly.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Maintenance of OData services.
  SE80: Object Navigator, where you can check the implementation of the model provider class.
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for more detailed information on implementing and troubleshooting OData services.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /IWFND/CM_MGW_RT024.