How To Fix WSTRN029 - Specify a CL_WSTN_PREPACK_DEFN object

WSTRN029 - Overview

• Message type: E = Error

• Message class: WSTRN - Message for Prepack Creation and Planning Dialog

• Message number: 029

• Message text: Specify a CL_WSTN_PREPACK_DEFN object

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 WSTRN029 - Specify a CL_WSTN_PREPACK_DEFN object ?

  Certainly! Here's a detailed explanation for the SAP error message WSTRN029: Specify a CL_WSTN_PREPACK_DEFN object:
  
  Error Message
  WSTRN029: Specify a CL_WSTN_PREPACK_DEFN object
  
  Cause
  This error occurs in the SAP Warehouse Management (WM) or Extended Warehouse Management (EWM) system when a process or function expects a prepack definition object (CL_WSTN_PREPACK_DEFN) but it is not provided or not correctly specified.
  
  The class CL_WSTN_PREPACK_DEFN represents the definition of a prepack (a predefined packaging unit or a set of products packed together).
  The system requires this object to perform operations related to prepacks, such as creating, changing, or processing prepack handling units.
  If the program or configuration calls a method or function module that requires this object and it is missing or not instantiated, the error is raised.
  
  
  When Does It Occur?
  
  During warehouse processes involving prepacks, e.g., creating handling units with prepacks.
  When customizing or enhancing warehouse processes that involve prepacks.
  When using BAdIs, user exits, or custom code that deals with prepack handling