How To Fix /IWBEP/CM_CP029 - Proxy model class '&1' not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 029

• Message text: Proxy model class '&1' not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP029 - Proxy model class '&1' not found ?

  The SAP error message /IWBEP/CM_CP029 Proxy model class '&1' not found typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find the specified proxy model class, which is necessary for the OData service to function correctly.
  Cause:
  
  Missing Proxy Class: The specified proxy model class has not been generated or is missing from the system.
  Incorrect Configuration: The OData service may not be properly configured, leading to the system being unable to locate the required proxy class.
  Transport Issues: If the proxy class was recently transported from another system, it may not have been transported correctly.
  Namespace Issues: The class might exist in a different namespace than expected.
  Activation Issues: The OData service or the associated model might not be activated.
  
  Solution:
  
  
  Check Proxy Class Generation:
  
  Go to transaction code SEGW (Gateway Service Builder).
  Check if the service and the associated model are correctly defined.
  If the proxy class is missing, regenerate the service by right-clicking on the service and selecting "Generate Runtime Objects".
  
  
  
  Activate the Service:
  
  Ensure that the OData service is activated. You can do this in transaction IWFND/MAINT_SERVICE.
  Check if the service is listed and activated. If not, activate it.
  
  
  
  Check for Transport Issues:
  
  If the proxy class was transported, ensure that the transport request was released and imported correctly into the target system.
  
  
  
  Namespace Verification:
  
  Verify that the namespace of the proxy class matches the expected namespace in your service definition.
  
  
  
  Check for Errors in the Model:
  
  Review the model definition for any errors or inconsistencies that might prevent the proxy class from being generated.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to identify where the failure occurs.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Gateway Service Builder
  IWFND/MAINT_SERVICE: Service Maintenance
  SE80: Object Navigator (to check for classes)
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and Gateway for more detailed information on service creation and troubleshooting.
  
  
  SAP Notes: Check SAP Notes for any known issues related to this error message, as there may be specific patches or updates that address the problem.
  
  
  By following these steps, you should be able to resolve the error message /IWBEP/CM_CP029 Proxy model class '&1' not found.