How To Fix S#728 - External service &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: S# -

• Message number: 728

• Message text: External service &1 does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S#728 - External service &1 does not exist ?

  The SAP error message S#728, which states "External service &1 does not exist," typically indicates that the system is trying to access an external service that has not been defined or is not available in the system. This can occur in various contexts, such as when working with external interfaces, web services, or other integrations.
  Causes:
  
  Missing Configuration: The external service may not be configured correctly in the SAP system.
  Incorrect Service Name: The service name referenced in the code or configuration may be incorrect or misspelled.
  Service Not Activated: The external service may not be activated or registered in the system.
  Authorization Issues: The user or system may not have the necessary permissions to access the external service.
  Network Issues: There may be network connectivity issues preventing access to the external service.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify that the external service is correctly configured in the SAP system. This may involve checking transaction codes like SOAMANAGER for web services or other relevant configuration transactions.
  
  
  
  Validate Service Name:
  
  Ensure that the service name used in the code or configuration matches the name defined in the system. Look for typos or discrepancies.
  
  
  
  Activate the Service:
  
  If the service is not activated, you may need to activate it in the relevant configuration area. This could involve using SOAMANAGER or other relevant tools.
  
  
  
  Review Authorizations:
  
  Check the user roles and authorizations to ensure that the user or system has the necessary permissions to access the external service.
  
  
  
  Network Connectivity:
  
  Test the network connection to the external service. Ensure that firewalls or other network configurations are not blocking access.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific external service you are trying to use. There may be specific steps or prerequisites that need to be followed.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SOAMANAGER (for web service management), SICF (for HTTP services), and others that may be relevant to your specific scenario.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message S#728.
  Logs and Traces: Review system logs (such as SLG1) and traces to gather more information about the error and its context.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.