How To Fix SRT_MONITORING049 - Header name '&1' is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_MONITORING - Message Class for SOAP Runtime Monitoring

• Message number: 049

• Message text: Header name '&1' is unknown

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_MONITORING049 - Header name '&1' is unknown ?

  The SAP error message SRT_MONITORING049 with the description "Header name '&1' is unknown" typically occurs in the context of SAP's web services and integration scenarios, particularly when using the SAP Process Integration (PI) or SAP Process Orchestration (PO) components. This error indicates that a specific HTTP header being referenced in a web service call is not recognized or is not defined in the system.
  Cause:
  
  Unknown Header: The header name specified in the error message is not recognized by the SAP system. This could be due to a typo, an unsupported header, or a header that is not configured in the service definition.
  Configuration Issues: The web service or the integration scenario may not be properly configured to handle the specified header.
  Version Mismatch: There may be a mismatch between the client and server versions, leading to unsupported headers being sent.
  Custom Headers: If custom headers are being used, they may not be defined in the service interface or may not be supported by the service.
  
  Solution:
  
  Check Header Name: Verify the header name mentioned in the error message. Ensure that it is spelled correctly and is a valid header for the web service you are using.
  Review Service Configuration: Check the configuration of the web service in SAP PI/PO. Ensure that all expected headers are defined in the service interface and that the service is configured to accept them.
  Update Service Definitions: If you are using custom headers, make sure they are properly defined in the service interface and that the service is set up to handle them.
  Consult Documentation: Refer to the SAP documentation for the specific web service or integration scenario to understand which headers are supported and how they should be configured.
  Testing: Use tools like SOAP UI or Postman to test the web service call without the problematic header to see if the service responds correctly. This can help isolate the issue.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to header handling in newer versions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific version of SAP you are using, as they may provide additional insights or fixes for known issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Logs and Traces: Review the logs and traces in the SAP system to gather more context about the error and the circumstances under which it occurred.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.