How To Fix /IWFND/CM_V4_COS120 - Namespace '&1' in service '&2' is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_V4_COS -

• Message number: 120

• Message text: Namespace '&1' in service '&2' is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_V4_COS120 - Namespace '&1' in service '&2' is invalid ?

  The SAP error message /IWFND/CM_V4_COS120 Namespace '&1' in service '&2' is invalid typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the namespace defined in the OData service metadata. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Invalid Namespace: The namespace specified in the OData service is not recognized or is incorrectly defined. This could be due to a typo or a mismatch between the namespace defined in the service and the one expected by the system.
  Service Registration Issues: The OData service may not be properly registered in the SAP Gateway, leading to issues in resolving the namespace.
  Missing or Incorrect Metadata: The metadata document for the OData service may be missing or incorrectly configured, which can lead to namespace validation errors.
  Transport Issues: If the service was transported from one system to another, the namespace might not be valid in the target system.
  
  Solutions:
  
  
  Check Namespace Definition:
  
  Go to the service definition in the SAP Gateway (transaction /IWFND/MAINT_SERVICE).
  Verify that the namespace defined in the service matches the expected namespace in the system.
  
  
  
  Correct the Service Registration:
  
  Ensure that the OData service is correctly registered. You can do this by re-registering the service using transaction /IWFND/MAINT_SERVICE.
  Check if the service is active and properly configured.
  
  
  
  Review Metadata:
  
  Check the metadata of the OData service to ensure that the namespace is correctly defined. You can access the metadata by appending $metadata to the service URL.
  If there are discrepancies, you may need to adjust the service implementation or regenerate the metadata.
  
  
  
  Check Transport Requests:
  
  If the service was transported, ensure that all related objects (like data models, service definitions, etc.) were included in the transport request.
  Verify that the target system has the necessary configurations and definitions for the namespace.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the service to trace where the namespace validation is failing. This may require looking into the implementation of the service and any associated classes or methods.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Gateway documentation for guidelines on defining and managing OData services and namespaces.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the invalid namespace in your SAP OData service.