How To Fix /CFG/UI_BCW054 - String is not in the whitelist.

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/UI_BCW -

• Message number: 054

• Message text: String is not in the whitelist.

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 /CFG/UI_BCW054 - String is not in the whitelist. ?

  The SAP error message /CFG/UI_BCW054 String is not in the whitelist typically occurs in the context of SAP Fiori or SAP UI5 applications. This error indicates that a certain string (often a URL or a parameter) is not included in the predefined whitelist, which is a security feature designed to prevent unauthorized or unsafe inputs.
  Cause:
  
  Security Restrictions: The application is trying to use a string (like a URL or a parameter) that is not allowed by the system's security settings.
  Configuration Issues: The whitelist may not have been properly configured to include the necessary strings or URLs that your application needs to function correctly.
  Updates or Changes: Recent changes to the application or system configuration may have inadvertently removed or altered the whitelist settings.
  
  Solution:
  
  
  Check Whitelist Configuration:
  
  Navigate to the relevant configuration settings in your SAP system.
  Look for the whitelist settings related to the application or service you are using.
  Add the necessary strings or URLs to the whitelist.
  
  
  
  Use Transaction Codes:
  
  You may need to use transaction codes like SICF (for Internet Communication Framework) or SPRO (for customizing) to access and modify the settings.
  
  
  
  Review Application Code:
  
  If you have access to the application code, review it to ensure that it is not trying to use any strings that are not intended to be whitelisted.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for guidance on configuring whitelists for your specific version of SAP Fiori or SAP UI5.
  
  
  
  Testing:
  
  After making changes, test the application to ensure that the error is resolved and that the application functions as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Community Forums: SAP Community and other forums can be valuable resources for finding solutions to similar issues encountered by other users.
  Security Best Practices: Always ensure that any changes made to the whitelist do not compromise the security of your SAP environment.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.