How To Fix WB2B_TEW071 - Class &1 does not exist or does not implement interface &2

WB2B_TEW071 - Overview

• Message type: E = Error

• Message class: WB2B_TEW - Messages for Trading Execution Workbench

• Message number: 071

• Message text: Class &1 does not exist or 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.

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 WB2B_TEW071 - Class &1 does not exist or does not implement interface &2 ?

  The SAP error message WB2B_TEW071 indicates that a specific class does not exist or does not implement the required interface. This error typically arises in the context of SAP Business Workflow or when dealing with Business Object Processing in SAP systems.
  
  Cause:
  
  Class Not Found: The specified class (&1) does not exist in the system. This could be due to a missing transport, incorrect naming, or the class not being activated.
  Interface Not Implemented: The class exists but does not implement the required interface (&2). This can happen if the class was not designed correctly or if there was a change in the interface that was not reflected in the class.
  Transport Issues: If the class was recently transported from another system, there may have been issues during the transport process.
  Development Errors: If the class was custom-developed, there may be errors in the code or configuration that prevent it from functioning correctly.
  
  
  Solution:
  
  
  Check Class Existence:
  
  Use