How To Fix GW034 - Service name &1 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 034

• Message text: Service name &1 is unknown

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW034 - Service name &1 is unknown ?

  The SAP error message GW034, which states "Service name &1 is unknown," typically occurs in the context of SAP Gateway services. This error indicates that the system is unable to find the specified service name in the SAP Gateway.
  Causes:
  
  Service Not Registered: The service you are trying to access has not been registered in the SAP Gateway.
  Incorrect Service Name: The service name provided in the request is incorrect or misspelled.
  Service Deactivation: The service may have been deactivated or removed from the system.
  Authorization Issues: The user may not have the necessary authorizations to access the service.
  System Configuration Issues: There may be configuration issues in the SAP Gateway or the backend system.
  
  Solutions:
  
  
  Check Service Registration:
  
  Use transaction code /IWFND/MAINT_SERVICE to check if the service is registered.
  If the service is not listed, you may need to register it using the same transaction.
  
  
  
  Verify Service Name:
  
  Double-check the service name you are using in your request. Ensure that it matches exactly with the registered service name.
  
  
  
  Activate the Service:
  
  If the service is registered but not activated, you can activate it in the /IWFND/MAINT_SERVICE transaction.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the service. You may need to check roles and authorizations assigned to the user.
  
  
  
  Review System Configuration:
  
  Check the configuration of the SAP Gateway and ensure that it is set up correctly to communicate with the backend system.
  
  
  
  Check Backend System:
  
  If the service is supposed to call a backend system, ensure that the backend service is available and functioning correctly.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage and maintain OData services.
  /IWFND/GW_CLIENT: To test OData services and check their responses.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the GW034 error.
  
  
  Logs and Traces: Use transaction codes like /IWFND/ERROR_LOG to check for any error logs that might provide more context on the issue.
  
  
  By following these steps, you should be able to identify the cause of the GW034 error and implement the appropriate solution.