How To Fix HTTP_CSP_UI_MSG028 - No Whitelist auth. for UCON CHW.

SAP Error Message - Details

• Message type: E = Error

• Message class: HTTP_CSP_UI_MSG - strings for output in http alv

• Message number: 028

• Message text: No Whitelist auth. for UCON CHW.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HTTP_CSP_UI_MSG028 - No Whitelist auth. for UCON CHW. ?

  The SAP error message "HTTP_CSP_UI_MSG028 No Whitelist auth. for UCON CHW" typically indicates that there is an issue with the authorization settings for a specific user or service in the context of the SAP Cloud Platform (SCP) or SAP Business Technology Platform (BTP). This error is related to the User Connectivity (UCON) framework, which is used for managing user authentication and authorization.
  Cause:
  
  Missing Whitelist Entry: The error suggests that the user or service trying to access a particular resource is not included in the whitelist. The whitelist is a list of authorized users or services that are allowed to access certain functionalities or resources.
  Configuration Issues: There may be misconfigurations in the UCON settings or the service that is being accessed.
  Authorization Roles: The user may not have the necessary roles or permissions assigned to access the requested resource.
  
  Solution:
  
  
  Check Whitelist Configuration:
  
  Navigate to the UCON configuration in your SAP system.
  Ensure that the user or service ID is included in the whitelist for the specific UCON CHW (Connectivity Handler).
  If not, add the necessary entries to the whitelist.
  
  
  
  Review Authorization Roles:
  
  Verify that the user has the appropriate roles assigned that grant access to the required resources.
  If necessary, assign the missing roles to the user.
  
  
  
  Check UCON Settings:
  
  Review the UCON settings to ensure they are correctly configured for the service being accessed.
  Make sure that the service is properly set up to recognize the whitelist entries.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for UCON and whitelisting to ensure that all configurations are in line with best practices.
  
  
  
  Testing:
  
  After making changes, test the access again to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Logs and Traces: Review system logs and traces for more detailed error messages that may provide additional context for troubleshooting.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.