How To Fix WZRE_PRX051 - Internal error: Message header node is missing in inbound PROXY structure

SAP Error Message - Details

• Message type: E = Error

• Message class: WZRE_PRX - SOA messages from proxy implementations

• Message number: 051

• Message text: Internal error: Message header node is missing in inbound PROXY structure

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 WZRE_PRX051 - Internal error: Message header node is missing in inbound PROXY structure ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WZRE_PRX051 Internal error: Message header node is missing in inbound PROXY structure
  
  
  Cause:
  This error typically occurs during the processing of inbound proxy messages in SAP PI/PO or SAP Gateway when the expected message header node is missing in the inbound XML structure that the proxy runtime is trying to process.
  
  The proxy runtime expects a certain XML structure with a message header node (usually the root or a specific node defined in the proxy interface).
  If the incoming XML payload does not contain this node (due to incorrect message format, mapping issues, or incorrect message type), the proxy runtime cannot parse the message correctly.
  This can happen if:
  The sender system sends an incomplete or malformed XML message.
  The message mapping or adapter configuration is incorrect.
  The proxy interface definition does not match the actual inbound message structure.
  There is a mismatch between the expected and actual