How To Fix /PF1/FIORI_UI001 - Error reading entity set &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/FIORI_UI -

• Message number: 001

• Message text: Error reading entity set &1

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 /PF1/FIORI_UI001 - Error reading entity set &1 ?

  The SAP error message /PF1/FIORI_UI001 Error reading entity set &1 typically occurs in the context of SAP Fiori applications when there is an issue with retrieving data from an OData service. This error can arise due to various reasons, including issues with the backend system, OData service configuration, or data availability.
  Causes:
  
  OData Service Issues: The OData service might not be properly configured or activated in the SAP Gateway.
  Authorization Problems: The user may not have the necessary authorizations to access the entity set.
  Data Availability: The entity set may not contain any data or the data may not meet the query criteria.
  Service Binding: The OData service might not be correctly bound to the Fiori application.
  Network Issues: There could be network connectivity issues between the Fiori front-end and the back-end system.
  Backend Errors: There may be errors in the backend system that prevent data retrieval.
  
  Solutions:
  
  
  Check OData Service Activation:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE) and ensure that the OData service is activated and properly configured.
  
  
  
  Verify Authorizations:
  
  Ensure that the user has the necessary roles and authorizations to access the OData service and the specific entity set.
  
  
  
  Inspect Data Availability:
  
  Check if the entity set has data by testing the OData service directly in the browser or using tools like Postman. Ensure that the data exists and meets the query criteria.
  
  
  
  Review Service Binding:
  
  Ensure that the OData service is correctly bound to the Fiori application in the Fiori Launchpad configuration.
  
  
  
  Check Network Connectivity:
  
  Verify that there are no network issues preventing communication between the Fiori front-end and the back-end system.
  
  
  
  Debugging:
  
  Use transaction code /IWFND/ERROR_LOG to check for any errors related to the OData service. This can provide more detailed information about what went wrong.
  
  
  
  Check Backend Logs:
  
  Review the backend system logs (transaction codes like SLG1) for any errors that might indicate issues with data retrieval.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that might address known issues related to the error message.
  
  
  
  Related Information:
  
  OData Services: Understanding how OData services work in SAP is crucial for troubleshooting.
  Fiori Launchpad: Familiarity with the Fiori Launchpad configuration can help in identifying binding issues.
  SAP Gateway: Knowledge of SAP Gateway and its components is essential for resolving OData-related issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.