How To Fix WES_OUTBOUND029 - Class &1 does not implement interface &2

WES_OUTBOUND029 - Overview

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 029

• Message text: Class &1 does not implement interface &2

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WES_OUTBOUND029 - Class &1 does not implement interface &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WES_OUTBOUND029 Class &1 does not implement interface &2
  
  
  Cause:
  This error occurs when a class that is expected to implement a specific interface does not actually implement it. In SAP, interfaces define a set of methods that a class must implement. If a class is assigned or used in a context where an interface implementation is required, but the class does not implement that interface, this error is raised.
  In the context of SAP PI/PO (Process Integration / Process Orchestration) or SAP middleware, this often happens when configuring outbound processing or adapter modules where a class is expected to implement a certain interface (e.g., for message processing, adapter modules, or user-exits).
  
  Explanation:
  
  &1 = The name of the class that is being checked.
  &2 = The name of the interface that the class is expected to implement.
  
  The system checks if the class &1 implements the