How To Fix SPRX046 - Proxy generation terminated: Message must have exactly one part

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 046

• Message text: Proxy generation terminated: Message must have exactly one part

INCLUDE SPRX_GET_WSDL OBJECT DOKU ID TX

What causes this issue?

In a WSDL document, a <message> must contain exactly one <part>,
therefore:
<message name="&V1&">
<part .../>
</message>
In this case, a <message> has no <part> or multiple <part> entries.
Proxy generation cannot process such messages.

System Response

Proxy generation is terminated.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX046 - Proxy generation terminated: Message must have exactly one part ?

  The SAP error message SPRX046, which states "Proxy generation terminated: Message must have exactly one part," typically occurs during the generation of a proxy object in SAP when the message structure defined in the Web Service or the Enterprise Services is not correctly configured. This error indicates that the message being processed has more than one part or is not structured as expected.
  Cause:
  
  Multiple Parts in Message: The most common cause of this error is that the message definition in the WSDL (Web Services Description Language) file has multiple parts, but the proxy generation process expects exactly one part.
  Incorrect WSDL Configuration: The WSDL might be incorrectly defined, leading to ambiguity in the message structure.
  Service Interface Definition: The service interface in SAP might not be properly defined, leading to issues during proxy generation.
  
  Solution:
  
  Check WSDL Definition: Review the WSDL file associated with the service. Ensure that the message definitions have only one part. If there are multiple parts, you may need to modify the WSDL to consolidate them into a single part.
  Modify Service Interface: If you have access to the service interface definition in SAP, check the structure of the message. Ensure that it is defined correctly with only one part.
  Regenerate Proxy: After making the necessary changes to the WSDL or service interface, regenerate the proxy in SAP. This can usually be done through transaction codes like SPROXY or SE80.
  Test the Service: After regenerating the proxy, test the service to ensure that it works as expected without errors.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on creating and managing Web Services and proxies.
  SAP Community: Check the SAP Community forums for similar issues and solutions shared by other users.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPROXY for proxy generation and SE80 for object management.
  Debugging: If the issue persists, consider using debugging tools to trace the proxy generation process and identify where the error occurs.
  
  By following these steps, you should be able to resolve the SPRX046 error and successfully generate the proxy.