How To Fix HTTP_CSP_UI_MSG021 - Host

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 021

• Message text: Host

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message HTTP_CSP_UI_MSG021 - Host ?

  The SAP error message HTTP_CSP_UI_MSG021 typically indicates an issue related to the HTTP connection or the configuration of the SAP system, particularly in the context of the SAP Web Application Server or SAP NetWeaver. This error can occur due to various reasons, including network issues, incorrect configuration settings, or problems with the underlying application.
  Cause:
  
  Network Issues: There may be connectivity problems between the client and the SAP server.
  Configuration Errors: Incorrect settings in the SAP system configuration, such as the HTTP service or the Internet Communication Framework (ICF).
  Service Activation: The required services may not be activated in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to access the requested resource.
  Browser Compatibility: Sometimes, the browser being used may not be compatible with the SAP application.
  
  Solution:
  
  Check Network Connectivity: Ensure that there is a stable network connection between the client and the SAP server. You can use tools like ping or traceroute to diagnose network issues.
  Verify Configuration:
  
  Go to transaction SICF in the SAP GUI and check if the relevant HTTP services are activated.
  Ensure that the ICF nodes related to your application are properly configured and active.
  
  
  Check Authorizations: Verify that the user has the necessary authorizations to access the application. You can check this in transaction SU53 after the error occurs.
  Browser Settings: Try accessing the application using a different browser or clearing the cache of the current browser. Ensure that the browser settings are compatible with SAP applications.
  Review Logs: Check the SAP application logs (transaction SLG1) and the HTTP trace (transaction SICF -> "Trace") for more detailed error messages that can provide additional context.
  Restart Services: If the issue persists, consider restarting the relevant services or the entire SAP instance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  Documentation: Review the official SAP documentation for the specific version of your SAP system for any known issues or configuration guidelines.
  
  If the problem continues after trying these solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.