How To Fix /PLMU/UI_FRW023 - No header component registered

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMU/UI_FRW -

• Message number: 023

• Message text: No header component registered

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 /PLMU/UI_FRW023 - No header component registered ?

  The SAP error message /PLMU/UI_FRW023 No header component registered typically occurs in the context of SAP Fiori or SAP UI5 applications. This error indicates that the system is unable to find a registered header component for the user interface, which is essential for rendering the application correctly.
  Causes:
  
  Missing Component Registration: The header component that is supposed to be registered in the application is either missing or not properly configured.
  Incorrect Configuration: There may be issues in the configuration files (like manifest.json) where the header component is defined.
  Version Mismatch: There could be a version mismatch between the UI5 libraries and the application code.
  Deployment Issues: The application might not have been deployed correctly, leading to missing components.
  Cache Issues: Sometimes, browser or application cache can cause issues with loading the correct components.
  
  Solutions:
  
  
  Check Component Registration:
  
  Ensure that the header component is correctly registered in the manifest.json file of your application. Look for the sap.ui5 section and verify that the header component is listed under components.
  
  
  
  Review Configuration:
  
  Double-check the configuration settings in your application. Ensure that all necessary components are defined and that there are no typos or misconfigurations.
  
  
  
  Clear Cache:
  
  Clear the browser cache and refresh the application. If you are using a development environment, you may also want to clear the SAP Fiori cache.
  
  
  
  Check Version Compatibility:
  
  Verify that the version of the SAP UI5 libraries you are using is compatible with your application. If there are updates available, consider upgrading to the latest version.
  
  
  
  Re-deploy the Application:
  
  If you suspect deployment issues, try re-deploying the application to ensure that all components are correctly uploaded to the server.
  
  
  
  Check Logs:
  
  Look at the browser console and SAP backend logs for any additional error messages that might provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for any specific guidelines related to the header component and its registration.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the /PLMU/UI_FRW023 No header component registered error in your SAP application.