How To Fix BTP_WD100 - HTML client for NWBC can't be launched, use fallback if required.

SAP Error Message - Details

• Message type: E = Error

• Message class: BTP_WD - Messages for Web Dynpro front end

• Message number: 100

• Message text: HTML client for NWBC can't be launched, use fallback if required.

What causes this issue?

To provide Logout functionality, the NWBC HTML client is used by
default. However, this functionality doesn't seem to be available in
this system.

System Response

How to fix this error?

Fallback to plain browser is possible by setting a parameter in
CNV_SEC_PARAMS via table maitenance SM30.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BTP_WD100 - HTML client for NWBC can't be launched, use fallback if required. ?

  The error message "BTP_WD100 HTML client for NWBC can't be launched, use fallback if required" typically occurs in the context of SAP NetWeaver Business Client (NWBC) when there is an issue with launching the HTML client. This can be due to various reasons, including configuration issues, network problems, or browser compatibility.
  Causes:
  
  Configuration Issues: The NWBC might not be properly configured to launch the HTML client. This could be due to incorrect settings in the SAP system or the NWBC configuration.
  Network Problems: There may be network connectivity issues preventing the NWBC from accessing the required resources to launch the HTML client.
  Browser Compatibility: The browser being used may not be compatible with the HTML client or may have settings that block the client from launching.
  Missing Components: Required components or services for the HTML client may not be installed or running on the server.
  Authorization Issues: The user may not have the necessary authorizations to access the HTML client.
  
  Solutions:
  
  Check Configuration: Verify the configuration settings for NWBC and ensure that the HTML client is correctly set up. This includes checking the URL and parameters used to launch the client.
  Network Connectivity: Ensure that there are no network issues. Test the connection to the SAP server and check for any firewall or proxy settings that might be blocking access.
  Browser Settings: Try using a different browser or check the current browser settings. Ensure that JavaScript is enabled and that there are no extensions or settings that might interfere with the HTML client.
  Install Missing Components: If any components are missing, install them as required. This may involve checking the SAP system for necessary updates or patches.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the HTML client. This may involve checking roles and permissions in the SAP system.
  Fallback Option: If the HTML client cannot be launched, consider using the fallback option provided by NWBC, which may allow access to the application through a different interface.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP Notes often provide solutions or workarounds for known issues.
  Documentation: Refer to the official SAP documentation for NWBC and the HTML client for detailed configuration and troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.