How To Fix /UI2/FDM002 - Reference lost

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/FDM -

• Message number: 002

• Message text: Reference lost

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 /UI2/FDM002 - Reference lost ?

  The SAP error message /UI2/FDM002 Reference lost typically occurs in the context of SAP Fiori applications, particularly when there is an issue with the navigation or the state of the application. This error indicates that the application has lost its reference to a specific object or data context, which can happen for various reasons.
  Causes:
  
  Session Timeout: The user session may have timed out, causing the application to lose its context.
  Navigation Issues: If the user navigates away from the application or refreshes the page, the reference to the data may be lost.
  Data Model Changes: Changes in the underlying data model or structure can lead to references being invalidated.
  Browser Issues: Sometimes, browser-related issues (like caching or cookies) can interfere with the application's ability to maintain state.
  Backend Issues: Problems with the backend system, such as connectivity issues or data retrieval errors, can also lead to this error.
  
  Solutions:
  
  Refresh the Application: Try refreshing the browser or reloading the Fiori application to re-establish the connection.
  Check Session Settings: Ensure that the session timeout settings are configured appropriately in the SAP system.
  Clear Browser Cache: Clear the browser cache and cookies to eliminate any potential conflicts.
  Re-login: Log out and log back into the SAP Fiori Launchpad to reset the session.
  Check for Updates: Ensure that both the SAP Fiori application and the backend system are up to date with the latest patches and updates.
  Review Application Logs: Check the application logs for any additional error messages or warnings that could provide more context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may address this specific error message.
  
  Related Information:
  
  SAP Fiori Launchpad: Understanding how the Fiori Launchpad works and how it manages application states can help in troubleshooting.
  SAP UI5: Familiarity with SAP UI5, the framework used for building Fiori applications, can provide insights into how data binding and navigation are handled.
  SAP Community: Engaging with the SAP Community or forums can provide additional insights and solutions from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team to investigate further, as there could be deeper issues at play.