How To Fix SPRX129 - The selected WSDL does not describe the selected proxy object

SPRX129 - Overview

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 129

• Message text: The selected WSDL does not describe the selected proxy object

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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SPRX129 - Details

• The SAP error message SPRX129, which states "The selected WSDL does not describe the selected proxy object," typically occurs when there is a mismatch between the Web Service Description Language (WSDL) file and the proxy object that you are trying to use in your SAP system. This can happen for several reasons, including changes in the WSDL, incorrect configuration, or issues with the proxy generation.
  Causes:
  
  WSDL Mismatch: The WSDL file you are using does not match the structure or the expected operations of the proxy object in SAP.
  Proxy Object Not Generated: The proxy object may not have been generated correctly or is outdated compared to the WSDL.
  Changes in the Service: If the web service has been updated (e.g., new operations added, existing operations modified), the WSDL may have changed, leading to a mismatch.
  Incorrect WSDL URL: The URL provided for the WSDL might be incorrect or pointing to an outdated version.
  Namespace Issues: