How To Fix HTTP_CHW_MSG204 - When opening url &1 a UUID creation error occurred.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 204

• Message text: When opening url &1 a UUID creation error occurred.

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 HTTP_CHW_MSG204 - When opening url &1 a UUID creation error occurred. ?

  The SAP error message HTTP_CHW_MSG204 indicates that there was an issue with creating a UUID (Universally Unique Identifier) when trying to open a specific URL. This error typically occurs in the context of HTTP communication within SAP systems, particularly when using the HTTP client or when integrating with external services.
  Cause:
  The error can be caused by several factors, including:
  
  System Configuration Issues: There may be misconfigurations in the HTTP settings or the system's ability to generate UUIDs.
  Network Issues: Problems with network connectivity or DNS resolution can lead to failures in accessing the URL.
  Authorization Issues: The user or service account may not have the necessary permissions to access the URL or perform the required operations.
  SAP Kernel or Component Issues: There may be bugs or issues in the SAP kernel or specific components that handle HTTP requests and UUID generation.
  Resource Limitations: The system may be running low on resources (e.g., memory, CPU), which can affect its ability to generate UUIDs.
  
  Solution:
  To resolve the HTTP_CHW_MSG204 error, you can try the following steps:
  
  
  Check System Configuration:
  
  Ensure that the HTTP settings in the SAP system are correctly configured.
  Verify that the necessary services are running and that the system can access external URLs.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the URL is reachable from the SAP server.
  Check for any firewall rules or network policies that might be blocking access.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the URL and perform the required actions.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes or patches that address known issues with UUID generation or HTTP communication. You can search the SAP Support Portal for updates.
  
  
  
  Monitor System Resources:
  
  Check the system's resource usage (CPU, memory, etc.) to ensure that it is not under heavy load. If necessary, optimize the system or allocate more resources.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the HTTP services or the entire SAP system can resolve transient issues.
  
  
  
  Debugging:
  
  If the issue persists, consider enabling debugging for HTTP communication to gather more detailed logs that can help identify the root cause.
  
  
  
  Related Information:
  
  UUID Generation: UUIDs are used in various contexts within SAP for unique identification. Understanding how UUIDs are generated and used in your specific scenario can help in troubleshooting.
  SAP Basis Team: If you are unable to resolve the issue, it may be beneficial to involve your SAP Basis team or SAP support for further assistance.
  Documentation: Refer to the official SAP documentation for more details on HTTP communication and UUID generation.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the HTTP_CHW_MSG204 error.