How To Fix /PF1/FIORI_UI040 - Error during call online interface.

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/FIORI_UI -

• Message number: 040

• Message text: Error during call online interface.

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 /PF1/FIORI_UI040 - Error during call online interface. ?

  The SAP error message /PF1/FIORI_UI040 Error during call online interface typically indicates an issue when trying to access a Fiori application or service that relies on an online interface. This error can arise from various causes, including configuration issues, authorization problems, or backend service errors.
  Possible Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the Fiori application or the underlying backend service.
  Service Configuration: The OData service or the Fiori application may not be properly configured or activated in the SAP Gateway.
  Backend System Issues: There may be issues with the backend system that the Fiori application is trying to communicate with, such as performance problems or service unavailability.
  Network Issues: Connectivity problems between the Fiori front-end server and the backend system can lead to this error.
  Incorrect URL: The URL used to access the Fiori application may be incorrect or not properly defined in the system.
  
  Solutions:
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary roles and authorizations to access the Fiori application and the associated OData services.
  Use transaction SU53 to analyze authorization failures.
  
  
  
  Verify Service Activation:
  
  Go to the SAP Gateway and check if the relevant OData service is activated. You can use transaction /IWFND/MAINT_SERVICE to manage and activate services.
  Ensure that the service is correctly mapped to the Fiori application.
  
  
  
  Check Backend System:
  
  Verify that the backend system is up and running and that the relevant services are available.
  Use transaction SM21 to check for any error logs in the backend system.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues between the Fiori front-end server and the backend system. You can use tools like ping or traceroute to diagnose connectivity issues.
  
  
  
  Review URL Configuration:
  
  Check the URL used to access the Fiori application. Ensure it is correctly defined in the Fiori Launchpad and matches the service configuration.
  
  
  
  Check Logs:
  
  Review the application logs in transaction SLG1 for any additional error messages that may provide more context about the issue.
  
  
  
  Debugging:
  
  If you have access to the backend system, you can debug the OData service to see where the error occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Fiori Launchpad Configuration: Ensure that the Fiori Launchpad is correctly configured and that all necessary components are in place.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.