How To Fix WER_UI090 - *****091 - 099: UI - Event view messages *************************

SAP Error Message - Details

• Message type: E = Error

• Message class: WER_UI - UI related messages

• Message number: 090

• Message text: *****091 - 099: UI - Event view messages *************************

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 WER_UI090 - *****091 - 099: UI - Event view messages ************************* ?

  The SAP error message WER_UI090 *091 - 099: UI - Event view messages ***** ** relates to issues encountered in the Web Dynpro or UI event processing layer. Here's a detailed explanation of the cause, solution, and related information:
  
  1. Cause
  
  **WER_UI090 ***091 - 099 messages are typically generated by the Web Dynpro ABAP framework or other SAP UI technologies when there is a problem during the processing of UI events or event views.
  These messages indicate that an event handler or UI component encountered an error or exception during runtime.
  The numeric suffix (091 to 099) usually refers to specific subtypes or detailed messages related to UI event handling.
  Common causes include:
  
  Incorrect or missing event handler implementation.
  Runtime exceptions in the event processing logic.
  UI component configuration errors.
  Issues with data binding or context nodes in the UI component.
  Problems in the communication between frontend UI and backend logic.
  
  
  
  
  2. Solution
  
  
  Check the detailed error message and stack trace:
  
  Look at the full error log or dump (ST22) to identify the exact cause of the failure in the event handler.
  
  
  Debug the UI event handler:
  
  Use the Web Dynpro ABAP debugger to step through the event handler code to find where the error occurs.
  
  
  Verify UI component configuration:
  
  Ensure that the event handlers are correctly assigned in the Web Dynpro component and that all required context nodes and attributes are properly defined.
  
  
  Check for missing or incorrect data binding:
  
  Make sure that the UI elements are correctly bound to the context nodes and that the data is available at runtime.
  
  
  Review recent changes:
  
  If the error started after a recent transport or development, review the changes for any incorrect coding or configuration.
  
  
  Apply SAP Notes:
  
  Search for SAP Notes related to WER_UI090 or the specific numeric suffix (e.g., 091, 092, etc.) on the SAP Support Portal. SAP often provides patches or workarounds for known UI event issues.
  
  
  Update SAP UI components:
  
  If the issue is due to a bug in the SAP UI framework, consider applying the latest support package or patch for the relevant SAP UI component.
  
  
  
  3. Related Information
  
  
  Transaction Codes:
  
  SE80 - To check and edit Web Dynpro components.
  ST22 - To analyze dumps related to the error.
  SLG1 - To check application logs for UI errors.
  SE24 - To check classes and methods related to event handlers.
  
  
  
  SAP Notes and KBAs:
  
  Search for "WER_UI090" on the SAP ONE Support Launchpad.
  Look for notes related to Web Dynpro UI event errors.
  
  
  
  Documentation:
  
  SAP Help Portal: Web Dynpro ABAP documentation for event handling.
  SAP Community forums for similar issues and solutions.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Errors in Web Dynpro UI event processing due to coding, configuration, or runtime issues.
  
  
  Solution
  Debug event handlers, verify UI component setup, check data binding, apply SAP Notes.
  
  
  Related
  Use SE80, ST22, SLG1; consult SAP Notes and SAP Help Portal for detailed guidance.
  
  
  
  
  If you provide the exact full error message or context (e.g., the numeric suffix or the scenario where it occurs), I can help you with a more precise diagnosis or solution.