How To Fix /IWFND/CM_MGW_RT055 - Namespaces not allowed in external name of service

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW_RT -

• Message number: 055

• Message text: Namespaces not allowed in external name of service

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW_RT055 - Namespaces not allowed in external name of service ?

  The SAP error message /IWFND/CM_MGW_RT055 Namespaces not allowed in external name of service typically occurs in the context of SAP Gateway services, particularly when defining or registering OData services. This error indicates that the external name of the service you are trying to create or register contains a namespace, which is not allowed.
  Cause:
  The error is caused by the use of a namespace in the external name of the OData service. In SAP Gateway, the external name of a service should not include any namespace prefixes. The external name is meant to be a simple identifier for the service, while namespaces are used internally to organize and manage service definitions.
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Check the External Name: Review the external name you are trying to use for the OData service. Ensure that it does not contain any namespace prefixes. The external name should be a simple string without any slashes or special characters.
  
  
  Modify the Service Definition:
  
  If you are using transaction code /IWFND/MAINT_SERVICE to register or maintain your OData service, go to the service definition and check the "External Name" field.
  Remove any namespace prefixes from the external name.
  
  
  
  Re-register the Service: After correcting the external name, re-register the service. You can do this by:
  
  Going to the same transaction /IWFND/MAINT_SERVICE.
  Selecting the service and clicking on the "Register" button.
  
  
  
  Test the Service: Once the service is registered with the correct external name, test it to ensure that it is functioning as expected.
  
  
  Related Information:
  
  Namespaces in SAP Gateway: In SAP Gateway, namespaces are typically used in the context of service definitions and are part of the technical name of the service. The external name, however, is meant to be user-friendly and should not include these technical details.
  OData Services: OData services in SAP are used to expose data and business logic to external applications. Proper naming conventions are important for clarity and maintainability.
  SAP Documentation: For more detailed information, refer to the official SAP documentation on OData services and SAP Gateway configuration.
  
  By following these steps, you should be able to resolve the error and successfully register your OData service without any namespace issues.