How To Fix /UI2/START_UP003 - wrong scheme of associate, not http(s)

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/START_UP -

• Message number: 003

• Message text: wrong scheme of associate, not http(s)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/START_UP003 - wrong scheme of associate, not http(s) ?

  The SAP error message /UI2/START_UP003 indicates that there is an issue with the URL scheme being used to access the SAP Fiori launchpad or other UI components. Specifically, the error states that the scheme of the associate is not HTTP or HTTPS, which are the expected protocols for web-based applications.
  Cause:
  
  Incorrect URL Configuration: The URL being used to access the Fiori launchpad or associated applications may be incorrectly configured to use a non-standard scheme (e.g., ftp, file, etc.).
  Browser or Network Issues: Sometimes, browser settings or network configurations can lead to incorrect URL handling.
  SAP Gateway Configuration: The SAP Gateway or the backend system may not be properly configured to handle HTTP/HTTPS requests.
  Custom Launchpad Configuration: If there are custom configurations or extensions in the Fiori launchpad, they may be incorrectly set up to use a non-HTTP/HTTPS scheme.
  
  Solution:
  
  Check the URL: Ensure that the URL you are using to access the Fiori launchpad starts with http:// or https://. If it does not, correct it.
  Review Configuration: 
  
  Check the configuration of the Fiori launchpad and ensure that all associated applications are correctly set up to use HTTP/HTTPS.
  If you are using a custom launchpad, review the configuration settings for any incorrect URL schemes.
  
  
  Browser Settings: Clear the browser cache and cookies, or try accessing the application in a different browser to rule out browser-related issues.
  Network Configuration: Ensure that there are no network proxies or firewalls that might be altering the URL scheme.
  SAP Notes: Check for any relevant SAP Notes or updates that might address this issue. Sometimes, specific patches or updates can resolve configuration issues.
  Consult Documentation: Review the SAP Fiori and SAP Gateway documentation for any specific configuration requirements related to URL handling.
  
  Related Information:
  
  SAP Fiori Launchpad: The Fiori launchpad is a web-based interface that provides access to various SAP applications. It is essential that the launchpad is correctly configured to use standard web protocols.
  SAP Gateway: The SAP Gateway is responsible for handling HTTP requests and serving Fiori applications. Proper configuration is crucial for its operation.
  SAP Community: If the issue persists, consider reaching out to the SAP Community or SAP Support for further assistance. They can provide insights based on similar experiences from other users.
  
  By following these steps, you should be able to identify and resolve the issue related to the /UI2/START_UP003 error message.