How To Fix WZRE_PRX003 - Mapping outbound class &1 for use case type &2 is not existing

WZRE_PRX003 - Overview

• Message type: E = Error

• Message class: WZRE_PRX - SOA messages from proxy implementations

• Message number: 003

• Message text: Mapping outbound class &1 for use case type &2 is not existing

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WZRE_PRX003 - Mapping outbound class &1 for use case type &2 is not existing ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WZRE_PRX003: Mapping outbound class &1 for use case type &2 is not existing
  
  
  Cause:
  This error occurs when the system tries to find a mapping outbound class for a specific use case type during proxy communication (typically in SAP PI/PO or SAP Process Integration scenarios), but no such mapping class is maintained or assigned in the configuration.
  
  Outbound class: This is a class responsible for transforming or mapping the outbound message payload.
  Use case type: This refers to a specific scenario or message type for which the mapping is expected.
  
  The system expects a mapping class to be assigned for the given use case type but cannot find it in the configuration tables or customizing.
  
  When does it occur?
  
  During outbound proxy processing.
  When the system tries to determine the mapping class for a particular outbound message.
  If the mapping is missing or incorrectly configured in the Integration