How To Fix /IWPGW/TGW_TCM_MSG105 - HTTP Error occurred - &1 - Reason: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWPGW/TGW_TCM_MSG -

• Message number: 105

• Message text: HTTP Error occurred - &1 - Reason: &2

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 /IWPGW/TGW_TCM_MSG105 - HTTP Error occurred - &1 - Reason: &2 ?

  The SAP error message /IWPGW/TGW_TCM_MSG105 indicates that an HTTP error occurred during a transaction or operation in the SAP system. The message typically includes two parameters: &1 which represents the HTTP status code, and &2 which provides a reason or description of the error.
  Causes
  The causes of this error can vary widely, but common reasons include:
  
  Network Issues: Problems with the network connection between the SAP system and the external service or application it is trying to communicate with.
  Service Unavailability: The external service or API that SAP is trying to reach may be down or not responding.
  Incorrect URL: The URL being called may be incorrect or malformed.
  Authentication Issues: If the external service requires authentication, there may be issues with the credentials being used.
  Timeouts: The request may be timing out due to slow response times from the external service.
  Firewall or Security Settings: Firewalls or security settings may be blocking the request from reaching the external service.
  
  Solutions
  To resolve this error, you can take the following steps:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or traceroute to diagnose network issues.
  Verify the URL: Double-check the URL being used in the request to ensure it is correct and properly formatted.
  Check Service Status: Verify that the external service is up and running. You can do this by trying to access the service directly through a web browser or using tools like curl.
  Review Authentication: If the service requires authentication, ensure that the credentials are correct and that the SAP system is configured to use them properly.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP system for the HTTP connection.
  Check Firewall Settings: Ensure that there are no firewall rules blocking the outgoing requests from the SAP system to the external service.
  Review SAP Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that may provide additional context about the issue.
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Transaction Codes: Use transaction codes like SICF to check the configuration of the HTTP services in SAP.
  HTTP Client Configuration: Review the HTTP client settings in transaction SPRO under the relevant configuration for your application.
  Monitoring Tools: Utilize monitoring tools to track the performance and availability of the external services being called.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.