How To Fix WP029 - Class &1, class type &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 029

• Message text: Class &1, class type &2 does not exist

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 WP029 - Class &1, class type &2 does not exist ?

  The SAP error message WP029 indicates that a specific class (object) of a certain class type does not exist in the system. This error typically arises in the context of object-oriented programming in SAP, particularly when dealing with Business Object Processing (BOPF) or when trying to access a class that has not been defined or has been deleted.
  
  Cause:
  
  Non-Existent Class: The class specified in the error message does not exist in the SAP system. This could be due to a typo in the class name or class type.
  Transport Issues: If the class was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the class.
  Development Environment: The class may exist in the development environment but not in the production environment.
  
  
  Solution:
  
  Check Class Existence: Use transaction code SE24 (Class Builder) to check