How To Fix /IWBEP/CM_CP402 - Proxy model already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 402

• Message text: Proxy model already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP402 - Proxy model already exists ?

  The SAP error message /IWBEP/CM_CP402 Proxy model already exists typically occurs in the context of SAP Gateway and OData services when there is an attempt to create a proxy model that already exists in the system. This can happen during the activation of an OData service or when trying to generate a proxy for a service that has already been defined.
  Cause:
  
  Duplicate Proxy Model: The error indicates that there is already a proxy model defined for the OData service you are trying to create or activate.
  Inconsistent State: The system might be in an inconsistent state where the proxy model was not properly deleted or deactivated.
  Transport Issues: If you are working in a transport environment, there might be issues with transport requests that have not been properly imported or activated.
  
  Solution:
  
  
  Check Existing Proxy Models:
  
  Go to transaction code SE80 (Object Navigator) or SEGW (Gateway Service Builder).
  Check if the proxy model already exists for the service you are trying to create or activate.
  If it exists, you may need to delete or modify it as necessary.
  
  
  
  Delete Existing Proxy:
  
  If you find that the proxy model is indeed duplicated, you can delete the existing proxy model.
  In SEGW, navigate to the service and delete the proxy model. Make sure to save and activate the changes.
  
  
  
  Re-activate the Service:
  
  After deleting the existing proxy, try to re-activate the OData service.
  Use transaction code /IWFND/MAINT_SERVICE to manage and activate your OData services.
  
  
  
  Check for Transport Issues:
  
  If you are working in a transport environment, ensure that all transport requests related to the OData service have been properly imported and activated in the target system.
  
  
  
  Clear Cache:
  
  Sometimes, clearing the cache can help resolve issues related to proxy models. You can do this using transaction code /IWFND/CACHE to clear the OData cache.
  
  
  
  Check for System Consistency:
  
  If the issue persists, check for any inconsistencies in the system that might be causing the problem. This may involve checking logs or consulting with your SAP Basis team.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Gateway Service Builder
  SE80: Object Navigator
  /IWFND/MAINT_SERVICE: Manage OData Services
  /IWFND/CACHE: Clear OData Cache
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Documentation: Refer to the official SAP documentation for OData services and SAP Gateway for more detailed information on managing proxy models and services.
  
  
  By following these steps, you should be able to resolve the /IWBEP/CM_CP402 Proxy model already exists error and successfully manage your OData services.