How To Fix SRT_WSP406 - Invalid value "&1" for transport protocol of WSDL request

SRT_WSP406 - Overview

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 406

• Message text: Invalid value "&1" for transport protocol of WSDL request

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_WSP406 - Invalid value "&1" for transport protocol of WSDL request ?

  The SAP error message SRT_WSP406 indicates that there is an invalid value for the transport protocol specified in a WSDL (Web Services Description Language) request. This error typically occurs when the system is trying to process a web service request, and the transport protocol defined in the WSDL does not match the expected values.
  
  Cause:
  The error can be caused by several factors:
  
  Incorrect WSDL Configuration: The WSDL file may specify a transport protocol that is not supported or recognized by the SAP system.
  Typographical Errors: There may be a typo in the transport protocol value in the WSDL.
  Unsupported Protocol: The specified transport protocol (e.g., HTTP, HTTPS, SOAP, etc.) may not be enabled or supported in the SAP system.
  Version Mismatch: The WSDL may be designed for a different version of the web service that is not compatible with the current SAP system.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the WSDL File:
  
  Open