How To Fix SRT_WSP637 - Unknown WSIL type "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 637

• Message text: Unknown WSIL type "&1"

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 SRT_WSP637 - Unknown WSIL type "&1" ?

  The SAP error message SRT_WSP637 Unknown WSIL type "&1" typically occurs in the context of web service integration, particularly when dealing with WSIL (Web Services Inspection Language) documents. This error indicates that the system has encountered an unknown or unsupported WSIL type while processing a web service request.
  Cause:
  
  Invalid WSIL Document: The WSIL document being processed may contain an unsupported or incorrectly defined type.
  Configuration Issues: There may be misconfigurations in the web service settings or the service definitions in the SAP system.
  Version Mismatch: The WSIL document may be using a version of WSIL that is not compatible with the SAP system.
  Network Issues: If the WSIL document is being fetched from a remote location, network issues could prevent the document from being retrieved correctly.
  
  Solution:
  
  Check WSIL Document: Review the WSIL document for any errors or unsupported types. Ensure that all types defined in the WSIL are recognized by the SAP system.
  Update Configuration: Ensure that the web service configuration in SAP is correct. This includes checking the service definitions and ensuring that they match the expected types.
  Compatibility Check: Verify that the WSIL document is compatible with the version of SAP you are using. If necessary, update the WSIL document to a compatible version.
  Network Connectivity: If the WSIL document is being fetched from an external source, check the network connectivity and ensure that the document can be accessed without issues.
  SAP Notes: Check for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that may resolve known issues.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for web services and WSIL for more detailed information on supported types and configurations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SOAMANAGER (for web service configuration) to troubleshoot and configure web services effectively.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.