How To Fix SRT_WSP2193 - Reverse Proxy "&1" has an invalid meta data protocol substitution"&2".

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 193

• Message text: Reverse Proxy "&1" has an invalid meta data protocol substitution"&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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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP2193 - Reverse Proxy "&1" has an invalid meta data protocol substitution"&2". ?

  The SAP error message SRT_WSP2193 indicates that there is an issue with the metadata protocol substitution in the context of a reverse proxy configuration. This error typically arises when the reverse proxy is not correctly configured to handle the metadata exchange between the SAP system and the external service.
  Cause:
  
  Invalid Configuration: The reverse proxy may not be correctly set up to handle the metadata protocol. This could be due to incorrect settings in the reverse proxy configuration files or in the SAP system settings.
  Protocol Mismatch: The protocol being used by the reverse proxy may not match the expected protocol by the SAP system or the external service.
  Missing or Incorrect Metadata: The metadata that is being referenced may be missing or incorrectly defined, leading to the error.
  
  Solution:
  
  
  Check Reverse Proxy Configuration:
  
  Review the configuration of the reverse proxy to ensure that it is set up correctly to handle the metadata protocol. This includes checking the URL mappings, headers, and any other relevant settings.
  Ensure that the reverse proxy is configured to forward the correct protocol (HTTP/HTTPS) and that it is set to handle the expected metadata format.
  
  
  
  Validate Metadata:
  
  Check the metadata being used in the SAP system and ensure that it is correctly defined and accessible. This may involve reviewing the service definitions and ensuring that they are correctly set up in the SAP system.
  
  
  
  Update SAP System Settings:
  
  If necessary, update the settings in the SAP system to match the configuration of the reverse proxy. This may involve adjusting the service endpoint URLs or modifying the metadata settings.
  
  
  
  Test Connectivity:
  
  After making changes, test the connectivity between the SAP system and the external service through the reverse proxy to ensure that the issue is resolved.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for specific guidance on configuring reverse proxies and handling metadata protocols. This can provide insights into best practices and common pitfalls.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review the logs of both the SAP system and the reverse proxy for any additional error messages or warnings that could provide more context on the issue.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional assistance, as other users may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP2193 error in your SAP environment.