How To Fix /IWFND/CM_DESIGNTIME019 - Proxy class name invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_DESIGNTIME -

• Message number: 019

• Message text: Proxy class name invalid

Self-Explanatory Message

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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_DESIGNTIME019 - Proxy class name invalid ?

  The SAP error message /IWFND/CM_DESIGNTIME019 Proxy class name invalid typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the proxy class name that is being used in the service definition or implementation.
  Cause:
  
  Invalid Naming Convention: The proxy class name does not adhere to the naming conventions expected by the SAP system. This could be due to special characters, incorrect length, or other naming issues.
  Missing or Incorrect Configuration: The service might not be properly configured in the SAP Gateway, leading to the system being unable to recognize the proxy class.
  Transport Issues: If the service was transported from one system to another, there might be inconsistencies or missing objects in the target system.
  Development Environment Issues: If you are working in a development environment, there might be issues with the local development objects or inconsistencies in the transport layer.
  
  Solution:
  
  Check Naming Conventions: Ensure that the proxy class name follows the SAP naming conventions. It should typically start with a letter and can include letters, numbers, and underscores.
  Recheck Service Configuration: Go to the SAP Gateway Service Builder (transaction code SEGW) and verify the service configuration. Ensure that the proxy class is correctly defined and activated.
  Regenerate the Service: If you suspect that the service definition is corrupted, you can try to regenerate the service. In the Service Builder, right-click on the service and select "Regenerate".
  Check Transport Requests: If the service was transported, check the transport requests to ensure that all necessary objects were included and transported correctly.
  Activate the Service: Make sure that the OData service is activated in the SAP Gateway. You can do this using transaction code /IWFND/MAINT_SERVICE.
  Check for Dependencies: Ensure that all dependent objects (like data models, entity types, etc.) are correctly defined and activated.
  
  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 related classes and objects.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the SAP Gateway documentation for guidelines on naming conventions and service definitions.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance, as they may have more insights into the specific configuration of your SAP environment.