How To Fix /IWFND/CM_MGW311 - 'Call Browser' failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 311

• Message text: 'Call Browser' failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW311 - 'Call Browser' failed ?

  The SAP error message /IWFND/CM_MGW311 'Call Browser' failed typically occurs in the context of SAP Gateway services, particularly when trying to access or test OData services using the SAP Gateway Client (Transaction /IWFND/GW_CLIENT) or the browser.
  Causes:
  
  Service Not Activated: The OData service you are trying to access may not be activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the service.
  Incorrect Service URL: The URL used to call the service might be incorrect or malformed.
  Backend Issues: There could be issues with the backend system, such as the service not being implemented correctly or errors in the underlying data model.
  Network Issues: There may be network connectivity issues between the SAP Gateway and the backend system.
  Configuration Issues: There could be misconfigurations in the SAP Gateway or the OData service.
  
  Solutions:
  
  
  Activate the Service:
  
  Go to the SAP Gateway Service Builder (Transaction /IWFND/MAINT_SERVICE).
  Check if the service is listed and activated. If not, activate it.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the OData service. You may need to check roles and authorizations in transaction PFCG.
  
  
  
  Verify the Service URL:
  
  Double-check the URL you are using to call the service. Ensure it follows the correct format and points to the right service.
  
  
  
  Test the Backend:
  
  Use transaction SE80 or SE37 to check if the backend implementation of the service is functioning correctly. You can also test the underlying RFC calls if applicable.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing access to the backend system. You can use tools like ping or telnet to check connectivity.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the SAP Gateway and ensure that everything is set up correctly. This includes checking the system alias and connection settings.
  
  
  
  Check Logs:
  
  Use transaction /IWFND/ERROR_LOG to check for any error logs related to the OData service. This can provide more detailed information about what went wrong.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the service to identify where the failure occurs. You can set breakpoints in the service implementation to trace the execution.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to the error message.
  Documentation: Refer to the official SAP documentation for OData services and SAP Gateway for more detailed guidance on configuration and troubleshooting.
  Community Forums: Consider searching or posting on SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the /IWFND/CM_MGW311 'Call Browser' failed error in SAP.