How To Fix /IWBEP/CM_MGW_RT231 - HTTP client receive failed for vocabulary: '&1', '&2' (return code: '&3')

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 231

• Message text: HTTP client receive failed for vocabulary: '&1', '&2' (return code: '&3')

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT231 - HTTP client receive failed for vocabulary: '&1', '&2' (return code: '&3') ?

  The SAP error message /IWBEP/CM_MGW_RT231 typically indicates an issue with the HTTP client communication in the context of SAP Gateway services. This error message suggests that there was a failure in receiving a response from the HTTP client, which can be due to various reasons.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external service or client.
  Service Unavailability: The external service that the SAP system is trying to reach may be down or not responding.
  Timeouts: The request may have timed out due to long processing times on the server side.
  Incorrect Configuration: There may be misconfigurations in the SAP Gateway settings or the destination settings in the SAP system.
  Authorization Issues: The user or service account may not have the necessary permissions to access the external service.
  Data Format Issues: The data being sent or received may not be in the expected format, leading to parsing errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or telnet to test connectivity.
  Verify Service Status: Check if the external service is up and running. You may need to contact the service provider or check their status page.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP Gateway configuration.
  Review Configuration: Check the configuration of the HTTP destination in transaction SM59. Ensure that the settings (like the URL, authentication, etc.) are correct.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to access the external service.
  Inspect Logs: Look at the SAP Gateway logs (transaction SLG1) for more detailed error messages that can provide additional context.
  Test with Postman or Curl: If possible, try to replicate the request using tools like Postman or Curl to see if the issue is with the SAP system or the external service.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: To check and configure HTTP destinations.
  SLG1: To view application logs for more detailed error messages.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Documentation: Review the SAP Gateway documentation for best practices on configuring and troubleshooting HTTP communications.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.