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

SRT_WSP637 - Overview

• 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.

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_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