How To Fix /IWFND/CM_MGW_RT054 - Namespace '&1' not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 054

• Message text: Namespace '&1' not valid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT054 - Namespace '&1' not valid ?

  The SAP error message /IWFND/CM_MGW_RT054 Namespace '&1' not valid typically occurs in the context of SAP Gateway services, particularly when dealing with OData services. This error indicates that the specified namespace is not recognized or is invalid in the context of the service being accessed.
  Cause:
  
  Invalid Namespace: The namespace specified in the OData service or the service definition does not exist or is incorrectly defined.
  Service Registration Issues: The OData service may not be properly registered in the SAP Gateway.
  Transport Issues: If the service was transported from one system to another, the namespace might not have been included or properly configured in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified namespace.
  Configuration Errors: There may be configuration errors in the service definition or in the SAP Gateway settings.
  
  Solution:
  
  
  Check Namespace Definition:
  
  Verify that the namespace specified in the error message is correctly defined in the service metadata.
  Ensure that the namespace is correctly configured in the service implementation.
  
  
  
  Service Registration:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and check if the service is properly registered.
  If the service is not registered, register it using transaction /IWFND/MAINT_SERVICE.
  
  
  
  Check Transport Requests:
  
  If the service was transported, ensure that all necessary objects, including the namespace, were included in the transport request.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the OData service and the specified namespace.
  
  
  
  Rebuild the Service:
  
  If the issue persists, consider rebuilding the service in the Service Builder and regenerating the runtime artifacts.
  
  
  
  Check System Configuration:
  
  Ensure that the SAP Gateway is properly configured and that all necessary components are active.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SAP Gateway you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Manage OData services.
  /IWFND/GW_CLIENT: Test OData services.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Community Forums: Consider searching or posting in SAP Community forums 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 Gateway OData service.